89688920 has 32 divisors (see below), whose sum is σ = 202093920. Its totient is φ = 35823360.

The previous prime is 89688917. The next prime is 89688931. The reversal of 89688920 is 2988698.

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, 38180 + ... + 40460.

It is an arithmetic number, because the mean of its divisors is an integer number (6315435).

Almost surely, 2^89688920 is an apocalyptic number.

It is an amenable number.

89688920 is an abundant number, since it is smaller than the sum of its proper divisors (112405000).

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

89688920 is a wasteful number, since it uses less digits than its factorization.

89688920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275 (or 3271 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 89688920 is about 9470.4234329833. The cubic root of 89688920 is about 447.6235544108.

The spelling of 89688920 in words is "eighty-nine million, six hundred eighty-eight thousand, nine hundred twenty".