392734056 has 192 divisors, whose sum is σ = 1185125760. Its totient is φ = 107712000.

The previous prime is 392734003. The next prime is 392734057. The reversal of 392734056 is 650437293.

It is a super-2 number, since 2×392734056² = 308480077484422272, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (392734057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3812901 + ... + 3813003.

It is an arithmetic number, because the mean of its divisors is an integer number (6172530).

Almost surely, 2^392734056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 392734056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592562880).

392734056 is an abundant number, since it is smaller than the sum of its proper divisors (792391704).

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

392734056 is a wasteful number, since it uses less digits than its factorization.

392734056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 392734056 is about 19817.5189163528. The cubic root of 392734056 is about 732.3176828849.

The spelling of 392734056 in words is "three hundred ninety-two million, seven hundred thirty-four thousand, fifty-six".