396996 has 12 divisors (see below), whose sum is σ = 926352. Its totient is φ = 132328.

The previous prime is 396983. The next prime is 396997. The reversal of 396996 is 699693.

396996 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (396997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16530 + ... + 16553.

It is an arithmetic number, because the mean of its divisors is an integer number (77196).

2³⁹⁶⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

396996 is an abundant number, since it is smaller than the sum of its proper divisors (529356).

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

396996 is a wasteful number, since it uses less digits than its factorization.

396996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33090 (or 33088 counting only the distinct ones).

The product of its digits is 78732, while the sum is 42.

The square root of 396996 is about 630.0761858696. The cubic root of 396996 is about 73.4957191269.

The spelling of 396996 in words is "three hundred ninety-six thousand, nine hundred ninety-six".