396365568 has 72 divisors (see below), whose sum is σ = 1070794368. Its totient is φ = 130132992.

The previous prime is 396365561. The next prime is 396365609. The reversal of 396365568 is 865563693.

It is a self number, because there is not a number n which added to its sum of digits gives 396365568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396365561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47605 + ... + 55307.

It is an arithmetic number, because the mean of its divisors is an integer number (14872144).

Almost surely, 2^396365568 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 396365568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535397184).

396365568 is an abundant number, since it is smaller than the sum of its proper divisors (674428800).

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

396365568 is an equidigital number, since it uses as much as digits as its factorization.

396365568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7789 (or 7775 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 51.

The square root of 396365568 is about 19908.9318648691. The cubic root of 396365568 is about 734.5679463634.

The spelling of 396365568 in words is "three hundred ninety-six million, three hundred sixty-five thousand, five hundred sixty-eight".