90966090 has 32 divisors (see below), whose sum is σ = 225363456. Its totient is φ = 23474880.

The previous prime is 90966089. The next prime is 90966107. The reversal of 90966090 is 9066909.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47977 + ... + 49836.

It is an arithmetic number, because the mean of its divisors is an integer number (7042608).

Almost surely, 2^90966090 is an apocalyptic number.

90966090 is an abundant number, since it is smaller than the sum of its proper divisors (134397366).

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

90966090 is a wasteful number, since it uses less digits than its factorization.

90966090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97854.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 90966090 is about 9537.6144816196. The cubic root of 90966090 is about 449.7382675518.

The spelling of 90966090 in words is "ninety million, nine hundred sixty-six thousand, ninety".