The number 8,689,824 can be evenly divided by 1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 32 33 36 39 44 48 52 66 72 78 88 96 99 104 117 132 143 144 156 176 198 208 211 234 264 286 288 312 352 396 416 422 429 468 528 572 624 633 792 844 858 936 1,056 1,144 1,248 1,266 1,287 1,584 1,688 1,716 1,872 1,899 2,288 2,321 2,532 2,574 2,743 3,168 3,376 3,432 3,744 3,798 4,576 4,642 5,064 5,148 5,486 6,752 6,864 6,963 7,596 8,229 9,284 10,128 10,296 10,972 13,728 13,926 15,192 16,458 18,568 20,256 20,592 20,889 21,944 24,687 27,852 30,173 30,384 32,916 37,136 41,184 41,778 43,888 49,374 55,704 60,346 60,768 65,832 74,272 83,556 87,776 90,519 98,748 111,408 120,692 131,664 167,112 181,038 197,496 222,816 241,384 263,328 271,557 334,224 362,076 394,992 482,768 543,114 668,448 724,152 789,984 965,536 1,086,228 1,448,304 2,172,456 2,896,608 4,344,912 and 8,689,824, with no remainder.
Since 8,689,824 cannot be divided by just 1 and 8,689,824, it is a composite number.