90973164 has 24 divisors (see below), whose sum is σ = 212425920. Its totient is φ = 30302224.

The previous prime is 90973147. The next prime is 90973213. The reversal of 90973164 is 46137909.

It is a super-2 number, since 2×90973164² = 16552233136341792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 27967 + ... + 31049.

It is an arithmetic number, because the mean of its divisors is an integer number (8851080).

Almost surely, 2^90973164 is an apocalyptic number.

It is an amenable number.

90973164 is an abundant number, since it is smaller than the sum of its proper divisors (121452756).

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

90973164 is a wasteful number, since it uses less digits than its factorization.

90973164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549 (or 5547 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 90973164 is about 9537.9853218591. The cubic root of 90973164 is about 449.7499252513.

The spelling of 90973164 in words is "ninety million, nine hundred seventy-three thousand, one hundred sixty-four".