90816954 has 16 divisors (see below), whose sum is σ = 183398592. Its totient is φ = 29978208.

The previous prime is 90816919. The next prime is 90816961. The reversal of 90816954 is 45961809.

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, 72859 + ... + 74094.

It is an arithmetic number, because the mean of its divisors is an integer number (11462412).

Almost surely, 2^90816954 is an apocalyptic number.

90816954 is an abundant number, since it is smaller than the sum of its proper divisors (92581638).

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

90816954 is a wasteful number, since it uses less digits than its factorization.

90816954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147061.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 90816954 is about 9529.7929673210. The cubic root of 90816954 is about 449.4923559382.

The spelling of 90816954 in words is "ninety million, eight hundred sixteen thousand, nine hundred fifty-four".