9090864 has 30 divisors (see below), whose sum is σ = 25442196. Its totient is φ = 3030240.

The previous prime is 9090859. The next prime is 9090871. The reversal of 9090864 is 4680909.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 5 ways as a sum of consecutive naturals, for example, 31422 + ... + 31709.

Almost surely, 2^9090864 is an apocalyptic number.

It is an amenable number.

9090864 is an abundant number, since it is smaller than the sum of its proper divisors (16351332).

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

9090864 is a wasteful number, since it uses less digits than its factorization.

9090864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63145 (or 63136 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 9090864 is about 3015.1059682870. The cubic root of 9090864 is about 208.7060571805.

The spelling of 9090864 in words is "nine million, ninety thousand, eight hundred sixty-four".