396773828 has 24 divisors (see below), whose sum is σ = 790413120. Its totient is φ = 172509920.

The previous prime is 396773809. The next prime is 396773887. The reversal of 396773828 is 828377693.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 396773828.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195023 + ... + 197046.

It is an arithmetic number, because the mean of its divisors is an integer number (32933880).

Almost surely, 2^396773828 is an apocalyptic number.

It is an amenable number.

396773828 is a deficient number, since it is larger than the sum of its proper divisors (393639292).

396773828 is a wasteful number, since it uses less digits than its factorization.

396773828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392107 (or 392105 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 53.

The square root of 396773828 is about 19919.1824129405. The cubic root of 396773828 is about 734.8200636243.

The spelling of 396773828 in words is "three hundred ninety-six million, seven hundred seventy-three thousand, eight hundred twenty-eight".