396625856 has 56 divisors (see below), whose sum is σ = 876946176. Its totient is φ = 176433920.

The previous prime is 396625847. The next prime is 396625877. The reversal of 396625856 is 658526693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27095 + ... + 39081.

Almost surely, 2^396625856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396625856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438473088).

396625856 is an abundant number, since it is smaller than the sum of its proper divisors (480320320).

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

396625856 is a wasteful number, since it uses less digits than its factorization.

396625856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12057 (or 12047 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 50.

The square root of 396625856 is about 19915.4677574994. The cubic root of 396625856 is about 734.7287048481.

The spelling of 396625856 in words is "three hundred ninety-six million, six hundred twenty-five thousand, eight hundred fifty-six".