89900520 has 32 divisors (see below), whose sum is σ = 269701920. Its totient is φ = 23973440.

The previous prime is 89900513. The next prime is 89900521. The reversal of 89900520 is 2500998.

It is not an unprimeable number, because it can be changed into a prime (89900521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374466 + ... + 374705.

It is an arithmetic number, because the mean of its divisors is an integer number (8428185).

Almost surely, 2^89900520 is an apocalyptic number.

It is an amenable number.

89900520 is an abundant number, since it is smaller than the sum of its proper divisors (179801400).

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

89900520 is a wasteful number, since it uses less digits than its factorization.

89900520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749185 (or 749181 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 89900520 is about 9481.5884745121. The cubic root of 89900520 is about 447.9752989145.

The spelling of 89900520 in words is "eighty-nine million, nine hundred thousand, five hundred twenty".