The number 3,464,370 can be evenly divided by 1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 35 39 42 45 47 54 63 65 70 78 81 90 91 94 105 117 126 130 135 141 162 182 189 195 210 234 235 270 273 282 315 329 351 378 390 405 423 455 470 546 567 585 611 630 658 702 705 810 819 846 910 945 987 1,053 1,134 1,170 1,222 1,269 1,365 1,410 1,638 1,645 1,755 1,833 1,890 1,974 2,106 2,115 2,457 2,538 2,730 2,835 2,961 3,055 3,290 3,510 3,666 3,807 4,095 4,230 4,277 4,914 4,935 5,265 5,499 5,670 5,922 6,110 6,345 7,371 7,614 8,190 8,554 8,883 9,165 9,870 10,530 10,998 12,285 12,690 12,831 14,742 14,805 16,497 17,766 18,330 19,035 21,385 24,570 25,662 26,649 27,495 29,610 32,994 36,855 38,070 38,493 42,770 44,415 49,491 53,298 54,990 64,155 73,710 76,986 82,485 88,830 98,982 115,479 128,310 133,245 164,970 192,465 230,958 247,455 266,490 346,437 384,930 494,910 577,395 692,874 1,154,790 1,732,185 and 3,464,370, with no remainder.
Since 3,464,370 cannot be divided by just 1 and 3,464,370, it is a composite number.