90685952 has 40 divisors (see below), whose sum is σ = 207087936. Its totient is φ = 38863872.

The previous prime is 90685937. The next prime is 90685961. The reversal of 90685952 is 25958609.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9068 + ... + 16235.

Almost surely, 2^90685952 is an apocalyptic number.

It is an amenable number.

90685952 is an abundant number, since it is smaller than the sum of its proper divisors (116401984).

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

90685952 is an equidigital number, since it uses as much as digits as its factorization.

90685952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25328 (or 25312 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 90685952 is about 9522.9172001021. The cubic root of 90685952 is about 449.2761234288.

The spelling of 90685952 in words is "ninety million, six hundred eighty-five thousand, nine hundred fifty-two".