392872224 has 48 divisors (see below), whose sum is σ = 1041526080. Its totient is φ = 129657600.

The previous prime is 392872211. The next prime is 392872229. The reversal of 392872224 is 422278293.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (392872229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10564 + ... + 29955.

It is an arithmetic number, because the mean of its divisors is an integer number (21698460).

Almost surely, 2^392872224 is an apocalyptic number.

It is an amenable number.

392872224 is an abundant number, since it is smaller than the sum of its proper divisors (648653856).

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

392872224 is a wasteful number, since it uses less digits than its factorization.

392872224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40633 (or 40625 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 392872224 is about 19821.0046163155. The cubic root of 392872224 is about 732.4035518545.

The spelling of 392872224 in words is "three hundred ninety-two million, eight hundred seventy-two thousand, two hundred twenty-four".