The number 3,596,208 can be evenly divided by 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 49 56 66 77 84 88 98 112 132 139 147 154 168 176 196 231 264 278 294 308 336 392 417 462 528 539 556 588 616 784 834 924 973 1,078 1,112 1,176 1,232 1,529 1,617 1,668 1,848 1,946 2,156 2,224 2,352 2,919 3,058 3,234 3,336 3,696 3,892 4,312 4,587 5,838 6,116 6,468 6,672 6,811 7,784 8,624 9,174 10,703 11,676 12,232 12,936 13,622 15,568 18,348 20,433 21,406 23,352 24,464 25,872 27,244 32,109 36,696 40,866 42,812 46,704 54,488 64,218 73,392 74,921 81,732 85,624 108,976 128,436 149,842 163,464 171,248 224,763 256,872 299,684 326,928 449,526 513,744 599,368 899,052 1,198,736 1,798,104 and 3,596,208, with no remainder.
Since 3,596,208 cannot be divided by just 1 and 3,596,208, it is a composite number.