392497672 has 16 divisors (see below), whose sum is σ = 841066560. Its totient is φ = 168213264.

The previous prime is 392497669. The next prime is 392497681. The reversal of 392497672 is 276794293.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3504388 + ... + 3504499.

It is an arithmetic number, because the mean of its divisors is an integer number (52566660).

Almost surely, 2^392497672 is an apocalyptic number.

It is an amenable number.

392497672 is an abundant number, since it is smaller than the sum of its proper divisors (448568888).

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

392497672 is a wasteful number, since it uses less digits than its factorization.

392497672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7008900 (or 7008896 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 49.

The square root of 392497672 is about 19811.5540026521. The cubic root of 392497672 is about 732.1707276930.

The spelling of 392497672 in words is "three hundred ninety-two million, four hundred ninety-seven thousand, six hundred seventy-two".