392431076 has 6 divisors (see below), whose sum is σ = 686754390. Its totient is φ = 196215536.

The previous prime is 392431063. The next prime is 392431079. The reversal of 392431076 is 670134293.

It can be written as a sum of positive squares in only one way, i.e., 387696100 + 4734976 = 19690^2 + 2176^2 .

It is not an unprimeable number, because it can be changed into a prime (392431079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49053881 + ... + 49053888.

It is an arithmetic number, because the mean of its divisors is an integer number (114459065).

Almost surely, 2^392431076 is an apocalyptic number.

It is an amenable number.

392431076 is a deficient number, since it is larger than the sum of its proper divisors (294323314).

392431076 is a wasteful number, since it uses less digits than its factorization.

392431076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98107773 (or 98107771 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 392431076 is about 19809.8731949500. The cubic root of 392431076 is about 732.1293156429.

The spelling of 392431076 in words is "three hundred ninety-two million, four hundred thirty-one thousand, seventy-six".