921474508 has 24 divisors (see below), whose sum is σ = 1679927760. Its totient is φ = 441876480.

The previous prime is 921474497. The next prime is 921474523. The reversal of 921474508 is 805474129.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37941 + ... + 57292.

It is an arithmetic number, because the mean of its divisors is an integer number (69996990).

Almost surely, 2^921474508 is an apocalyptic number.

It is an amenable number.

921474508 is a deficient number, since it is larger than the sum of its proper divisors (758453252).

921474508 is a wasteful number, since it uses less digits than its factorization.

921474508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95337 (or 95335 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 921474508 is about 30355.7985893964. The cubic root of 921474508 is about 973.1081467027.

The spelling of 921474508 in words is "nine hundred twenty-one million, four hundred seventy-four thousand, five hundred eight".