396920 has 16 divisors (see below), whose sum is σ = 893160. Its totient is φ = 158752.

The previous prime is 396919. The next prime is 396931. The reversal of 396920 is 29693.

396920 = T₃₁₁ + T₃₁₂ + ... + T₃₁₈.

396920 is nontrivially palindromic in base 3.

396920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 9.

It is a zygodrome in base 2 and base 9.

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, 4922 + ... + 5001.

2³⁹⁶⁹²⁰ is an apocalyptic number.

It is an amenable number.

396920 is an abundant number, since it is smaller than the sum of its proper divisors (496240).

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

396920 is a wasteful number, since it uses less digits than its factorization.

396920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9934 (or 9930 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 396920 is about 630.0158728159. The cubic root of 396920 is about 73.4910288771.

The spelling of 396920 in words is "three hundred ninety-six thousand, nine hundred twenty".