90908192 has 24 divisors (see below), whose sum is σ = 183140496. Its totient is φ = 44396352.

The previous prime is 90908189. The next prime is 90908201. The reversal of 90908192 is 29180909.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31658 + ... + 34409.

It is an arithmetic number, because the mean of its divisors is an integer number (7630854).

Almost surely, 2^90908192 is an apocalyptic number.

It is an amenable number.

90908192 is an abundant number, since it is smaller than the sum of its proper divisors (92232304).

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

90908192 is a wasteful number, since it uses less digits than its factorization.

90908192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66120 (or 66112 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 90908192 is about 9534.5787531490. The cubic root of 90908192 is about 449.6428309901.

The spelling of 90908192 in words is "ninety million, nine hundred eight thousand, one hundred ninety-two".