A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 9337284 can be evenly divided by 1 2 3 4 6 9 11 12 17 18 19 22 33 34 36 38 44 51 57 66 68 73 76 99 102 114 132 146 153 171 187 198 204 209 219 228 292 306 323 342 374 396 418 438 561 612 627 646 657 684 748 803 836 876 969 1,122 1,241 1,254 1,292 1,314 1,387 1,606 1,683 1,881 1,938 2,244 2,409 2,482 2,508 2,628 2,774 2,907 3,212 3,366 3,553 3,723 3,762 3,876 4,161 4,818 4,964 5,548 5,814 6,732 7,106 7,227 7,446 7,524 8,322 9,636 10,659 11,169 11,628 12,483 13,651 14,212 14,454 14,892 15,257 16,644 21,318 22,338 23,579 24,966 27,302 28,908 30,514 31,977 40,953 42,636 44,676 45,771 47,158 49,932 54,604 61,028 63,954 70,737 81,906 91,542 94,316 122,859 127,908 137,313 141,474 163,812 183,084 212,211 245,718 259,369 274,626 282,948 424,422 491,436 518,738 549,252 778,107 848,844 1,037,476 1,556,214 2,334,321 3,112,428 4,668,642 and 9,337,284, with no remainder.
Since 9,337,284 cannot be divided by just 1 and 9,337,284, it is not a prime number.