The number 2,493,504 can be evenly divided by 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 37 39 48 52 54 64 72 74 78 81 96 104 108 111 117 144 148 156 162 192 208 216 222 234 288 296 312 324 333 351 416 432 444 468 481 576 592 624 648 666 702 832 864 888 936 962 999 1,053 1,184 1,248 1,296 1,332 1,404 1,443 1,728 1,776 1,872 1,924 1,998 2,106 2,368 2,496 2,592 2,664 2,808 2,886 2,997 3,552 3,744 3,848 3,996 4,212 4,329 5,184 5,328 5,616 5,772 5,994 7,104 7,488 7,696 7,992 8,424 8,658 10,656 11,232 11,544 11,988 12,987 15,392 15,984 16,848 17,316 21,312 22,464 23,088 23,976 25,974 30,784 31,968 33,696 34,632 38,961 46,176 47,952 51,948 63,936 67,392 69,264 77,922 92,352 95,904 103,896 138,528 155,844 191,808 207,792 277,056 311,688 415,584 623,376 831,168 1,246,752 and 2,493,504, with no remainder.
Since 2,493,504 cannot be divided by just 1 and 2,493,504, it is a composite number.