396812 has 18 divisors (see below), whose sum is σ = 753228. Its totient is φ = 182832.

The previous prime is 396733. The next prime is 396833. The reversal of 396812 is 218693.

It is a zygodrome in base 2.

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 in 5 ways as a sum of consecutive naturals, for example, 383 + ... + 969.

It is an arithmetic number, because the mean of its divisors is an integer number (41846).

2³⁹⁶⁸¹² is an apocalyptic number.

It is an amenable number.

396812 is a deficient number, since it is larger than the sum of its proper divisors (356416).

396812 is a wasteful number, since it uses less digits than its factorization.

396812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 602 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 396812 is about 629.9301548585. The cubic root of 396812 is about 73.4843627554.

The spelling of 396812 in words is "three hundred ninety-six thousand, eight hundred twelve".