392944812 has 24 divisors (see below), whose sum is σ = 987400176. Its totient is φ = 120906048.

The previous prime is 392944807. The next prime is 392944819. The reversal of 392944812 is 218449293.

It is not an unprimeable number, because it can be changed into a prime (392944819) 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, 1259283 + ... + 1259594.

It is an arithmetic number, because the mean of its divisors is an integer number (41141674).

Almost surely, 2^392944812 is an apocalyptic number.

It is an amenable number.

392944812 is an abundant number, since it is smaller than the sum of its proper divisors (594455364).

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

392944812 is a wasteful number, since it uses less digits than its factorization.

392944812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518897 (or 2518895 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 392944812 is about 19822.8356195576. The cubic root of 392944812 is about 732.4486559468.

The spelling of 392944812 in words is "three hundred ninety-two million, nine hundred forty-four thousand, eight hundred twelve".