396899792 has 20 divisors (see below), whose sum is σ = 778729920. Its totient is φ = 195937248.

The previous prime is 396899779. The next prime is 396899807. The reversal of 396899792 is 297998693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155738 + ... + 158265.

It is an arithmetic number, because the mean of its divisors is an integer number (38936496).

Almost surely, 2^396899792 is an apocalyptic number.

It is an amenable number.

396899792 is a deficient number, since it is larger than the sum of its proper divisors (381830128).

396899792 is a wasteful number, since it uses less digits than its factorization.

396899792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314090 (or 314084 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 62.

The square root of 396899792 is about 19922.3440387922. The cubic root of 396899792 is about 734.8978166367.

The spelling of 396899792 in words is "three hundred ninety-six million, eight hundred ninety-nine thousand, seven hundred ninety-two".