90967664 has 20 divisors (see below), whose sum is σ = 182328360. Its totient is φ = 43915200.

The previous prime is 90967651. The next prime is 90967699. The reversal of 90967664 is 46676909.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97562 + ... + 98489.

It is an arithmetic number, because the mean of its divisors is an integer number (9116418).

Almost surely, 2^90967664 is an apocalyptic number.

It is an amenable number.

90967664 is an abundant number, since it is smaller than the sum of its proper divisors (91360696).

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

90967664 is a wasteful number, since it uses less digits than its factorization.

90967664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196088 (or 196082 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 90967664 is about 9537.6969966549. The cubic root of 90967664 is about 449.7408614999.

The spelling of 90967664 in words is "ninety million, nine hundred sixty-seven thousand, six hundred sixty-four".