396824 has 8 divisors (see below), whose sum is σ = 744060. Its totient is φ = 198408.

The previous prime is 396733. The next prime is 396833. The reversal of 396824 is 428693.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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, 24794 + ... + 24809.

2³⁹⁶⁸²⁴ is an apocalyptic number.

It is an amenable number.

396824 is a deficient number, since it is larger than the sum of its proper divisors (347236).

396824 is a wasteful number, since it uses less digits than its factorization.

396824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49609 (or 49605 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 396824 is about 629.9396796519. The cubic root of 396824 is about 73.4851034953.

The spelling of 396824 in words is "three hundred ninety-six thousand, eight hundred twenty-four".