86524920 has 48 divisors (see below), whose sum is σ = 281207160. Its totient is φ = 23073216.

The previous prime is 86524913. The next prime is 86524943. The reversal of 86524920 is 2942568.

It is a happy number.

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

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, 119814 + ... + 120533.

Almost surely, 2^86524920 is an apocalyptic number.

It is an amenable number.

86524920 is an abundant number, since it is smaller than the sum of its proper divisors (194682240).

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

86524920 is a wasteful number, since it uses less digits than its factorization.

86524920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240364 (or 240357 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 86524920 is about 9301.8772298929. The cubic root of 86524920 is about 442.2967370579.

The spelling of 86524920 in words is "eighty-six million, five hundred twenty-four thousand, nine hundred twenty".