396865004 has 12 divisors (see below), whose sum is σ = 694879584. Its totient is φ = 198327984.

The previous prime is 396864991. The next prime is 396865009. The reversal of 396865004 is 400568693.

It is not an unprimeable number, because it can be changed into a prime (396865009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17252 + ... + 33035.

It is an arithmetic number, because the mean of its divisors is an integer number (57906632).

Almost surely, 2^396865004 is an apocalyptic number.

It is an amenable number.

396865004 is a deficient number, since it is larger than the sum of its proper divisors (298014580).

396865004 is a wasteful number, since it uses less digits than its factorization.

396865004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52264 (or 52262 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 396865004 is about 19921.4709296277. The cubic root of 396865004 is about 734.8763449095.

The spelling of 396865004 in words is "three hundred ninety-six million, eight hundred sixty-five thousand, four".