90995956 has 12 divisors (see below), whose sum is σ = 159635140. Its totient is φ = 45385920.

The previous prime is 90995941. The next prime is 90995963. The reversal of 90995956 is 65959909.

It can be written as a sum of positive squares in 2 ways, for example, as 43164900 + 47831056 = 6570^2 + 6916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26175 + ... + 29446.

Almost surely, 2^90995956 is an apocalyptic number.

It is an amenable number.

90995956 is a deficient number, since it is larger than the sum of its proper divisors (68639184).

90995956 is a wasteful number, since it uses less digits than its factorization.

90995956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56034 (or 56032 counting only the distinct ones).

The product of its (nonzero) digits is 984150, while the sum is 52.

The square root of 90995956 is about 9539.1800486205. The cubic root of 90995956 is about 449.7874815442.

The spelling of 90995956 in words is "ninety million, nine hundred ninety-five thousand, nine hundred fifty-six".