90976290 has 16 divisors (see below), whose sum is σ = 218343168. Its totient is φ = 24260336.

The previous prime is 90976243. The next prime is 90976307. The reversal of 90976290 is 9267909.

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, 1516242 + ... + 1516301.

It is an arithmetic number, because the mean of its divisors is an integer number (13646448).

Almost surely, 2^90976290 is an apocalyptic number.

90976290 is an abundant number, since it is smaller than the sum of its proper divisors (127366878).

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

90976290 is a wasteful number, since it uses less digits than its factorization.

90976290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032553.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 90976290 is about 9538.1491915361. The cubic root of 90976290 is about 449.7550765952.

The spelling of 90976290 in words is "ninety million, nine hundred seventy-six thousand, two hundred ninety".