The number 3,424,176 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 43 48 56 63 72 79 84 86 112 126 129 144 158 168 172 237 252 258 301 316 336 344 387 474 504 516 553 602 632 688 711 774 903 948 1,008 1,032 1,106 1,204 1,264 1,422 1,548 1,659 1,806 1,896 2,064 2,212 2,408 2,709 2,844 3,096 3,318 3,397 3,612 3,792 4,424 4,816 4,977 5,418 5,688 6,192 6,636 6,794 7,224 8,848 9,954 10,191 10,836 11,376 13,272 13,588 14,448 19,908 20,382 21,672 23,779 26,544 27,176 30,573 39,816 40,764 43,344 47,558 54,352 61,146 71,337 79,632 81,528 95,116 122,292 142,674 163,056 190,232 214,011 244,584 285,348 380,464 428,022 489,168 570,696 856,044 1,141,392 1,712,088 and 3,424,176, with no remainder.
Since 3,424,176 cannot be divided by just 1 and 3,424,176, it is a composite number.