396954928 has 20 divisors (see below), whose sum is σ = 769705200. Its totient is φ = 198321344.

The previous prime is 396954911. The next prime is 396954979. The reversal of 396954928 is 829459693.

It is a happy number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 12798 + ... + 30946.

It is an arithmetic number, because the mean of its divisors is an integer number (38485260).

Almost surely, 2^396954928 is an apocalyptic number.

It is an amenable number.

396954928 is a deficient number, since it is larger than the sum of its proper divisors (372750272).

396954928 is a wasteful number, since it uses less digits than its factorization.

396954928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19524 (or 19518 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 55.

The square root of 396954928 is about 19923.7277636491. The cubic root of 396954928 is about 734.9318449151.

The spelling of 396954928 in words is "three hundred ninety-six million, nine hundred fifty-four thousand, nine hundred twenty-eight".