396976 has 20 divisors (see below), whose sum is σ = 788392. Its totient is φ = 193536.

The previous prime is 396971. The next prime is 396983. The reversal of 396976 is 679693.

It is not an unprimeable number, because it can be changed into a prime (396971) by changing a digit.

396976 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400 + ... + 976.

2³⁹⁶⁹⁷⁶ is an apocalyptic number.

It is an amenable number.

396976 is a deficient number, since it is larger than the sum of its proper divisors (391416).

396976 is a wasteful number, since it uses less digits than its factorization.

396976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 622 counting only the distinct ones).

The product of its digits is 61236, while the sum is 40.

The square root of 396976 is about 630.0603145731. The cubic root of 396976 is about 73.4944849087.

The spelling of 396976 in words is "three hundred ninety-six thousand, nine hundred seventy-six".