392940912 has 80 divisors (see below), whose sum is σ = 1249364480. Its totient is φ = 103631616.

The previous prime is 392940853. The next prime is 392940929. The reversal of 392940912 is 219049293.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 40612 + ... + 49347.

It is an arithmetic number, because the mean of its divisors is an integer number (15617056).

Almost surely, 2^392940912 is an apocalyptic number.

It is an amenable number.

392940912 is an abundant number, since it is smaller than the sum of its proper divisors (856423568).

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

392940912 is a wasteful number, since it uses less digits than its factorization.

392940912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89990 (or 89984 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 392940912 is about 19822.7372479181. The cubic root of 392940912 is about 732.4462327403.

The spelling of 392940912 in words is "three hundred ninety-two million, nine hundred forty thousand, nine hundred twelve".