396393882 has 16 divisors (see below), whose sum is σ = 798576192. Its totient is φ = 131166560.

The previous prime is 396393859. The next prime is 396393883. The reversal of 396393882 is 288393693.

It is not an unprimeable number, because it can be changed into a prime (396393883) 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, 240294 + ... + 241937.

It is an arithmetic number, because the mean of its divisors is an integer number (49911012).

Almost surely, 2^396393882 is an apocalyptic number.

396393882 is an abundant number, since it is smaller than the sum of its proper divisors (402182310).

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

396393882 is a wasteful number, since it uses less digits than its factorization.

396393882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482373.

The product of its digits is 1679616, while the sum is 51.

The square root of 396393882 is about 19909.6429400429. The cubic root of 396393882 is about 734.5854370028.

The spelling of 396393882 in words is "three hundred ninety-six million, three hundred ninety-three thousand, eight hundred eighty-two".