90319338 has 24 divisors (see below), whose sum is σ = 196481376. Its totient is φ = 29985000.

The previous prime is 90319297. The next prime is 90319343. The reversal of 90319338 is 83391309.

90319338 is a `hidden beast` number, since 9 + 0 + 319 + 338 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5478 + ... + 14513.

It is an arithmetic number, because the mean of its divisors is an integer number (8186724).

Almost surely, 2^90319338 is an apocalyptic number.

90319338 is an abundant number, since it is smaller than the sum of its proper divisors (106162038).

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

90319338 is a wasteful number, since it uses less digits than its factorization.

90319338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20250 (or 20247 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 90319338 is about 9503.6486677486. The cubic root of 90319338 is about 448.6698796810.

The spelling of 90319338 in words is "ninety million, three hundred nineteen thousand, three hundred thirty-eight".