90938286 has 24 divisors (see below), whose sum is σ = 199410120. Its totient is φ = 29947056.

The previous prime is 90938273. The next prime is 90938303. The reversal of 90938286 is 68283909.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28941 + ... + 31928.

It is an arithmetic number, because the mean of its divisors is an integer number (8308755).

Almost surely, 2^90938286 is an apocalyptic number.

90938286 is an abundant number, since it is smaller than the sum of its proper divisors (108471834).

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

90938286 is a wasteful number, since it uses less digits than its factorization.

90938286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60960 (or 60957 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 90938286 is about 9536.1567730402. The cubic root of 90938286 is about 449.6924416950.

The spelling of 90938286 in words is "ninety million, nine hundred thirty-eight thousand, two hundred eighty-six".