396804 has 24 divisors (see below), whose sum is σ = 948640. Its totient is φ = 129024.

The previous prime is 396733. The next prime is 396833. The reversal of 396804 is 408693.

396804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 132 + ... + 900.

2³⁹⁶⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

396804 is an abundant number, since it is smaller than the sum of its proper divisors (551836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396804 is a wasteful number, since it uses less digits than its factorization.

396804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 396804 is about 629.9238049161. The cubic root of 396804 is about 73.4838689205.

It can be divided in two parts, 39 and 6804, that multiplied together give a triangular number (265356 = T₇₂₈).

The spelling of 396804 in words is "three hundred ninety-six thousand, eight hundred four".