396822 has 8 divisors (see below), whose sum is σ = 793656. Its totient is φ = 132272.

The previous prime is 396733. The next prime is 396833. The reversal of 396822 is 228693.

It is a sphenic number, since it is the product of 3 distinct primes.

396822 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 396822.

It is a congruent number.

It is an unprimeable number.

396822 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, 33063 + ... + 33074.

It is an arithmetic number, because the mean of its divisors is an integer number (99207).

2³⁹⁶⁸²² is an apocalyptic number.

396822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

396822 is a wasteful number, since it uses less digits than its factorization.

396822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66142.

The product of its digits is 5184, while the sum is 30.

The square root of 396822 is about 629.9380921964. The cubic root of 396822 is about 73.4849800397.

The spelling of 396822 in words is "three hundred ninety-six thousand, eight hundred twenty-two".