396957384 has 48 divisors (see below), whose sum is σ = 1077932700. Its totient is φ = 131969664.

The previous prime is 396957313. The next prime is 396957389. The reversal of 396957384 is 483759693.

396957384 is a `hidden beast` number, since 3 + 9 + 69 + 573 + 8 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 395134884 + 1822500 = 19878^2 + 1350^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 396957384.

It is not an unprimeable number, because it can be changed into a prime (396957389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20922 + ... + 35094.

Almost surely, 2^396957384 is an apocalyptic number.

It is an amenable number.

396957384 is an abundant number, since it is smaller than the sum of its proper divisors (680975316).

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

396957384 is a wasteful number, since it uses less digits than its factorization.

396957384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14574 (or 14567 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 396957384 is about 19923.7893986059. The cubic root of 396957384 is about 734.9333606111.

The spelling of 396957384 in words is "three hundred ninety-six million, nine hundred fifty-seven thousand, three hundred eighty-four".