89933568 has 36 divisors (see below), whose sum is σ = 239356488. Its totient is φ = 29977600.

The previous prime is 89933533. The next prime is 89933603. The reversal of 89933568 is 86533998.

It is an interprime number because it is at equal distance from previous prime (89933533) and next prime (89933603).

It is a self number, because there is not a number n which added to its sum of digits gives 89933568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57783 + ... + 59318.

Almost surely, 2^89933568 is an apocalyptic number.

It is an amenable number.

89933568 is an abundant number, since it is smaller than the sum of its proper divisors (149422920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89933568 is a wasteful number, since it uses less digits than its factorization.

89933568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117120 (or 117106 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The square root of 89933568 is about 9483.3310603395. The cubic root of 89933568 is about 448.0301850410.

It can be divided in two parts, 8993 and 3568, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 89933568 in words is "eighty-nine million, nine hundred thirty-three thousand, five hundred sixty-eight".