89539968 has 64 divisors (see below), whose sum is σ = 271825920. Its totient is φ = 25582080.

The previous prime is 89539937. The next prime is 89539991. The reversal of 89539968 is 86993598.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13968 + ... + 19343.

It is an arithmetic number, because the mean of its divisors is an integer number (4247280).

Almost surely, 2^89539968 is an apocalyptic number.

It is an amenable number.

89539968 is an abundant number, since it is smaller than the sum of its proper divisors (182285952).

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

89539968 is a wasteful number, since it uses less digits than its factorization.

89539968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33335 (or 33323 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 57.

The square root of 89539968 is about 9462.5561028720. The cubic root of 89539968 is about 447.3756182930.

The spelling of 89539968 in words is "eighty-nine million, five hundred thirty-nine thousand, nine hundred sixty-eight".