90317196 has 36 divisors (see below), whose sum is σ = 229957000. Its totient is φ = 29887488.

The previous prime is 90317191. The next prime is 90317207. The reversal of 90317196 is 69171309.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 90317196.

It is not an unprimeable number, because it can be changed into a prime (90317191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4021 + ... + 14028.

Almost surely, 2^90317196 is an apocalyptic number.

It is an amenable number.

90317196 is an abundant number, since it is smaller than the sum of its proper divisors (139639804).

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

90317196 is a wasteful number, since it uses less digits than its factorization.

90317196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18198 (or 18193 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 90317196 is about 9503.5359735206. The cubic root of 90317196 is about 448.6663327902. Note that the first 3 decimals are identical.

The spelling of 90317196 in words is "ninety million, three hundred seventeen thousand, one hundred ninety-six".