90908968 has 32 divisors (see below), whose sum is σ = 178848000. Its totient is φ = 43261120.

The previous prime is 90908959. The next prime is 90909031. The reversal of 90908968 is 86980909.

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, 13713 + ... + 19231.

It is an arithmetic number, because the mean of its divisors is an integer number (5589000).

Almost surely, 2^90908968 is an apocalyptic number.

It is an amenable number.

90908968 is a deficient number, since it is larger than the sum of its proper divisors (87939032).

90908968 is a wasteful number, since it uses less digits than its factorization.

90908968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5625 (or 5621 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 90908968 is about 9534.6194470466. The cubic root of 90908968 is about 449.6441103828.

The spelling of 90908968 in words is "ninety million, nine hundred eight thousand, nine hundred sixty-eight".