90839088 has 30 divisors (see below), whose sum is σ = 254223684. Its totient is φ = 30279648.

The previous prime is 90839051. The next prime is 90839113. The reversal of 90839088 is 88093809.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315270 + ... + 315557.

Almost surely, 2^90839088 is an apocalyptic number.

It is an amenable number.

90839088 is an abundant number, since it is smaller than the sum of its proper divisors (163384596).

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

90839088 is a wasteful number, since it uses less digits than its factorization.

90839088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630841 (or 630832 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 90839088 is about 9530.9542019674. The cubic root of 90839088 is about 449.5288698827.

The spelling of 90839088 in words is "ninety million, eight hundred thirty-nine thousand, eighty-eight".