89970900 has 36 divisors (see below), whose sum is σ = 260316672. Its totient is φ = 23992160.

The previous prime is 89970893. The next prime is 89970941. The reversal of 89970900 is 907998.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149652 + ... + 150251.

Almost surely, 2^89970900 is an apocalyptic number.

It is an amenable number.

89970900 is an abundant number, since it is smaller than the sum of its proper divisors (170345772).

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

89970900 is a wasteful number, since it uses less digits than its factorization.

89970900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299920 (or 299913 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 89970900 is about 9485.2991518454. The cubic root of 89970900 is about 448.0921698647.

The spelling of 89970900 in words is "eighty-nine million, nine hundred seventy thousand, nine hundred".