89838864 has 30 divisors (see below), whose sum is σ = 251424446. Its totient is φ = 29946240.

The previous prime is 89838857. The next prime is 89838901. The reversal of 89838864 is 46883898.

It can be written as a sum of positive squares in only one way, i.e., 67371264 + 22467600 = 8208^2 + 4740^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 89838864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311797 + ... + 312084.

Almost surely, 2^89838864 is an apocalyptic number.

It is an amenable number.

89838864 is an abundant number, since it is smaller than the sum of its proper divisors (161585582).

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

89838864 is a wasteful number, since it uses less digits than its factorization.

89838864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623895 (or 623886 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 89838864 is about 9478.3365629207. The cubic root of 89838864 is about 447.8728646472.

The spelling of 89838864 in words is "eighty-nine million, eight hundred thirty-eight thousand, eight hundred sixty-four".