392882816 has 16 divisors (see below), whose sum is σ = 782696490. Its totient is φ = 196441344.

The previous prime is 392882783. The next prime is 392882843. The reversal of 392882816 is 618288293.

It can be written as a sum of positive squares in only one way, i.e., 357361216 + 35521600 = 18904^2 + 5960^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1534571 + ... + 1534826.

Almost surely, 2^392882816 is an apocalyptic number.

It is an amenable number.

392882816 is a deficient number, since it is larger than the sum of its proper divisors (389813674).

392882816 is an equidigital number, since it uses as much as digits as its factorization.

392882816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069411 (or 3069399 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 392882816 is about 19821.2718058151. The cubic root of 392882816 is about 732.4101337644.

The spelling of 392882816 in words is "three hundred ninety-two million, eight hundred eighty-two thousand, eight hundred sixteen".