A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 3808350 can be evenly divided by 1 2 3 5 6 7 9 10 13 14 15 18 21 25 26 27 30 31 35 39 42 45 50 54 62 63 65 70 75 78 90 91 93 105 117 126 130 135 150 155 175 182 186 189 195 210 217 225 234 270 273 279 310 315 325 350 351 378 390 403 434 450 455 465 525 546 558 585 630 650 651 675 702 775 806 819 837 910 930 945 975 1,050 1,085 1,170 1,209 1,302 1,350 1,365 1,395 1,550 1,575 1,638 1,674 1,755 1,890 1,950 1,953 2,015 2,170 2,275 2,325 2,418 2,457 2,730 2,790 2,821 2,925 3,150 3,255 3,510 3,627 3,906 4,030 4,095 4,185 4,550 4,650 4,725 4,914 5,425 5,642 5,850 5,859 6,045 6,510 6,825 6,975 7,254 8,190 8,370 8,463 8,775 9,450 9,765 10,075 10,850 10,881 11,718 12,090 12,285 13,650 13,950 14,105 16,275 16,926 17,550 18,135 19,530 20,150 20,475 20,925 21,762 24,570 25,389 28,210 29,295 30,225 32,550 36,270 40,950 41,850 42,315 48,825 50,778 54,405 58,590 60,450 61,425 70,525 76,167 84,630 90,675 97,650 108,810 122,850 126,945 141,050 146,475 152,334 181,350 211,575 253,890 272,025 292,950 380,835 423,150 544,050 634,725 761,670 1,269,450 1,904,175 and 3,808,350, with no remainder.
Since 3,808,350 cannot be divided by just 1 and 3,808,350, it is not a prime number.