90492588 has 36 divisors (see below), whose sum is σ = 229454680. Its totient is φ = 30070656.

The previous prime is 90492587. The next prime is 90492601. The reversal of 90492588 is 88529409.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (90492583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8403 + ... + 15861.

Almost surely, 2^90492588 is an apocalyptic number.

It is an amenable number.

90492588 is an abundant number, since it is smaller than the sum of its proper divisors (138962092).

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

90492588 is a wasteful number, since it uses less digits than its factorization.

90492588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7806 (or 7801 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 90492588 is about 9512.7592211724. The cubic root of 90492588 is about 448.9565750501.

The spelling of 90492588 in words is "ninety million, four hundred ninety-two thousand, five hundred eighty-eight".