89938520 has 48 divisors (see below), whose sum is σ = 235405440. Its totient is φ = 30835392.

The previous prime is 89938493. The next prime is 89938547. The reversal of 89938520 is 2583998.

It is an interprime number because it is at equal distance from previous prime (89938493) and next prime (89938547).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20984 + ... + 24903.

It is an arithmetic number, because the mean of its divisors is an integer number (4904280).

Almost surely, 2^89938520 is an apocalyptic number.

It is an amenable number.

89938520 is an abundant number, since it is smaller than the sum of its proper divisors (145466920).

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

89938520 is a wasteful number, since it uses less digits than its factorization.

89938520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45912 (or 45901 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 89938520 is about 9483.5921464390. The cubic root of 89938520 is about 448.0384081654.

The spelling of 89938520 in words is "eighty-nine million, nine hundred thirty-eight thousand, five hundred twenty".