396856 has 16 divisors (see below), whose sum is σ = 752400. Its totient is φ = 196224.

The previous prime is 396833. The next prime is 396871. The reversal of 396856 is 658693.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685 + ... + 1123.

It is an arithmetic number, because the mean of its divisors is an integer number (47025).

2³⁹⁶⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

396856 is a deficient number, since it is larger than the sum of its proper divisors (355544).

396856 is a wasteful number, since it uses less digits than its factorization.

396856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 554 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 396856 is about 629.9650783972. The cubic root of 396856 is about 73.4870787288.

The spelling of 396856 in words is "three hundred ninety-six thousand, eight hundred fifty-six".