392406912 has 96 divisors (see below), whose sum is σ = 1150676280. Its totient is φ = 128314368.

The previous prime is 392406881. The next prime is 392406913. The reversal of 392406912 is 219604293.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392406913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57843 + ... + 64269.

Almost surely, 2^392406912 is an apocalyptic number.

392406912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 392406912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575338140).

392406912 is an abundant number, since it is smaller than the sum of its proper divisors (758269368).

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

392406912 is a wasteful number, since it uses less digits than its factorization.

392406912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500 (or 6485 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 392406912 is about 19809.2632876642. The cubic root of 392406912 is about 732.1142883451.

The spelling of 392406912 in words is "three hundred ninety-two million, four hundred six thousand, nine hundred twelve".