90242088 has 32 divisors (see below), whose sum is σ = 227720160. Its totient is φ = 29798720.

The previous prime is 90242071. The next prime is 90242123. The reversal of 90242088 is 88024209.

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, 15003 + ... + 20138.

It is an arithmetic number, because the mean of its divisors is an integer number (7116255).

Almost surely, 2^90242088 is an apocalyptic number.

It is an amenable number.

90242088 is an abundant number, since it is smaller than the sum of its proper divisors (137478072).

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

90242088 is a wasteful number, since it uses less digits than its factorization.

90242088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35257 (or 35253 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 90242088 is about 9499.5835698203. The cubic root of 90242088 is about 448.5419276272.

The spelling of 90242088 in words is "ninety million, two hundred forty-two thousand, eighty-eight".