90902832 has 20 divisors (see below), whose sum is σ = 234832440. Its totient is φ = 30300928.

The previous prime is 90902827. The next prime is 90902869. The reversal of 90902832 is 23820909.

It is a junction number, because it is equal to n+sod(n) for n = 90902793 and 90902802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946857 + ... + 946952.

It is an arithmetic number, because the mean of its divisors is an integer number (11741622).

Almost surely, 2^90902832 is an apocalyptic number.

It is an amenable number.

90902832 is an abundant number, since it is smaller than the sum of its proper divisors (143929608).

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

90902832 is a wasteful number, since it uses less digits than its factorization.

90902832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893820 (or 1893814 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 90902832 is about 9534.2976668447. The cubic root of 90902832 is about 449.6339937486.

The spelling of 90902832 in words is "ninety million, nine hundred two thousand, eight hundred thirty-two".