90363688 has 32 divisors (see below), whose sum is σ = 179314560. Its totient is φ = 42602560.

The previous prime is 90363671. The next prime is 90363697. The reversal of 90363688 is 88636309.

It is a super-2 number, since 2×90363688² = 16331192217922688, which contains 22 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, 9606 + ... + 16522.

It is an arithmetic number, because the mean of its divisors is an integer number (5603580).

Almost surely, 2^90363688 is an apocalyptic number.

It is an amenable number.

90363688 is a deficient number, since it is larger than the sum of its proper divisors (88950872).

90363688 is a wasteful number, since it uses less digits than its factorization.

90363688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017 (or 7013 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 90363688 is about 9505.9816957535. The cubic root of 90363688 is about 448.7433052749.

The spelling of 90363688 in words is "ninety million, three hundred sixty-three thousand, six hundred eighty-eight".