396992 has 14 divisors (see below), whose sum is σ = 787908. Its totient is φ = 198464.

The previous prime is 396983. The next prime is 396997. The reversal of 396992 is 299693.

396992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 396992.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3038 + ... + 3165.

2³⁹⁶⁹⁹² is an apocalyptic number.

396992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

396992 is a deficient number, since it is larger than the sum of its proper divisors (390916).

396992 is an equidigital number, since it uses as much as digits as its factorization.

396992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215 (or 6205 counting only the distinct ones).

The product of its digits is 26244, while the sum is 38.

The square root of 396992 is about 630.0730116423. The cubic root of 396992 is about 73.4954722865.

The spelling of 396992 in words is "three hundred ninety-six thousand, nine hundred ninety-two".