392912112 has 20 divisors (see below), whose sum is σ = 1015023080. Its totient is φ = 130970688.

The previous prime is 392912081. The next prime is 392912129. The reversal of 392912112 is 211219293.

It is a self number, because there is not a number n which added to its sum of digits gives 392912112.

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 3 ways as a sum of consecutive naturals, for example, 4092787 + ... + 4092882.

It is an arithmetic number, because the mean of its divisors is an integer number (50751154).

Almost surely, 2^392912112 is an apocalyptic number.

It is an amenable number.

392912112 is an abundant number, since it is smaller than the sum of its proper divisors (622110968).

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

392912112 is a wasteful number, since it uses less digits than its factorization.

392912112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8185680 (or 8185674 counting only the distinct ones).

The product of its digits is 1944, while the sum is 30.

The square root of 392912112 is about 19822.0107960822. The cubic root of 392912112 is about 732.4283377963.

The spelling of 392912112 in words is "three hundred ninety-two million, nine hundred twelve thousand, one hundred twelve".