90992384 has 36 divisors (see below), whose sum is σ = 207580464. Its totient is φ = 38995968.

The previous prime is 90992371. The next prime is 90992389. The reversal of 90992384 is 48329909.

It is a super-2 number, since 2×90992384² = 16559227892006912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90992389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23597 + ... + 27180.

It is an arithmetic number, because the mean of its divisors is an integer number (5766124).

Almost surely, 2^90992384 is an apocalyptic number.

It is an amenable number.

90992384 is an abundant number, since it is smaller than the sum of its proper divisors (116588080).

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

90992384 is an equidigital number, since it uses as much as digits as its factorization.

90992384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50800 (or 50786 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 90992384 is about 9538.9928189511. The cubic root of 90992384 is about 449.7815960742.

The spelling of 90992384 in words is "ninety million, nine hundred ninety-two thousand, three hundred eighty-four".