91902892 has 6 divisors (see below), whose sum is σ = 160830068. Its totient is φ = 45951444.

The previous prime is 91902887. The next prime is 91902929. The reversal of 91902892 is 29820919.

It is a super-2 number, since 2×91902892² = 16892283115927328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11487858 + ... + 11487865.

Almost surely, 2^91902892 is an apocalyptic number.

It is an amenable number.

91902892 is a deficient number, since it is larger than the sum of its proper divisors (68927176).

91902892 is a wasteful number, since it uses less digits than its factorization.

91902892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22975727 (or 22975725 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 91902892 is about 9586.5996056996. The cubic root of 91902892 is about 451.2768542169.

The spelling of 91902892 in words is "ninety-one million, nine hundred two thousand, eight hundred ninety-two".