The number 4,387,950 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 49 50 63 70 75 90 98 105 126 147 150 175 199 210 225 245 294 315 350 398 441 450 490 525 597 630 735 882 995 1,050 1,194 1,225 1,393 1,470 1,575 1,791 1,990 2,205 2,450 2,786 2,985 3,150 3,582 3,675 4,179 4,410 4,975 5,970 6,965 7,350 8,358 8,955 9,751 9,950 11,025 12,537 13,930 14,925 17,910 19,502 20,895 22,050 25,074 29,253 29,850 34,825 41,790 44,775 48,755 58,506 62,685 69,650 87,759 89,550 97,510 104,475 125,370 146,265 175,518 208,950 243,775 292,530 313,425 438,795 487,550 626,850 731,325 877,590 1,462,650 2,193,975 and 4,387,950, with no remainder.
Since 4,387,950 cannot be divided by just 1 and 4,387,950, it is a composite number.