90885432 has 32 divisors (see below), whose sum is σ = 247870080. Its totient is φ = 27540960.

The previous prime is 90885427. The next prime is 90885461. The reversal of 90885432 is 23458809.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171868 + ... + 172395.

It is an arithmetic number, because the mean of its divisors is an integer number (7745940).

Almost surely, 2^90885432 is an apocalyptic number.

It is an amenable number.

90885432 is an abundant number, since it is smaller than the sum of its proper divisors (156984648).

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

90885432 is a wasteful number, since it uses less digits than its factorization.

90885432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344283 (or 344279 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 90885432 is about 9533.3851280644. The cubic root of 90885432 is about 449.6053032940.

The spelling of 90885432 in words is "ninety million, eight hundred eighty-five thousand, four hundred thirty-two".