89039520 has 96 divisors (see below), whose sum is σ = 311653440. Its totient is φ = 23742720.

The previous prime is 89039519. The next prime is 89039527. The reversal of 89039520 is 2593098.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×89039520² = 15856072243660800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (89039527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5986 + ... + 14625.

It is an arithmetic number, because the mean of its divisors is an integer number (3246390).

Almost surely, 2^89039520 is an apocalyptic number.

89039520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89039520 is an abundant number, since it is smaller than the sum of its proper divisors (222613920).

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

89039520 is a wasteful number, since it uses less digits than its factorization.

89039520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20635 (or 20621 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 89039520 is about 9436.0754553999. The cubic root of 89039520 is about 446.5405846955.

The spelling of 89039520 in words is "eighty-nine million, thirty-nine thousand, five hundred twenty".