90979632 has 40 divisors (see below), whose sum is σ = 261146480. Its totient is φ = 30326400.

The previous prime is 90979601. The next prime is 90979643. The reversal of 90979632 is 23697909.

90979632 is a `hidden beast` number, since 9 + 0 + 9 + 7 + 9 + 632 = 666.

It is a super-3 number, since 3×90979632³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104869 + ... + 105732.

It is an arithmetic number, because the mean of its divisors is an integer number (6528662).

Almost surely, 2^90979632 is an apocalyptic number.

It is an amenable number.

90979632 is an abundant number, since it is smaller than the sum of its proper divisors (170166848).

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

90979632 is a wasteful number, since it uses less digits than its factorization.

90979632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210618 (or 210606 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 90979632 is about 9538.3243811479. The cubic root of 90979632 is about 449.7605837556.

The spelling of 90979632 in words is "ninety million, nine hundred seventy-nine thousand, six hundred thirty-two".