924871920 has 80 divisors (see below), whose sum is σ = 3276695040. Its totient is φ = 211398912.

The previous prime is 924871903. The next prime is 924871931. The reversal of 924871920 is 29178429.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273580 + ... + 276939.

It is an arithmetic number, because the mean of its divisors is an integer number (40958688).

Almost surely, 2^924871920 is an apocalyptic number.

It is an amenable number.

924871920 is an abundant number, since it is smaller than the sum of its proper divisors (2351823120).

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

924871920 is a wasteful number, since it uses less digits than its factorization.

924871920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550542 (or 550536 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 924871920 is about 30411.7069563680. The cubic root of 924871920 is about 974.3026071429.

The spelling of 924871920 in words is "nine hundred twenty-four million, eight hundred seventy-one thousand, nine hundred twenty".