396113864 has 8 divisors (see below), whose sum is σ = 742713510. Its totient is φ = 198056928.

The previous prime is 396113863. The next prime is 396113867. The reversal of 396113864 is 468311693.

It can be written as a sum of positive squares in only one way, i.e., 326524900 + 69588964 = 18070^2 + 8342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (396113863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24757109 + ... + 24757124.

Almost surely, 2^396113864 is an apocalyptic number.

It is an amenable number.

396113864 is a deficient number, since it is larger than the sum of its proper divisors (346599646).

396113864 is a wasteful number, since it uses less digits than its factorization.

396113864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49514239 (or 49514235 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 396113864 is about 19902.6094771515. The cubic root of 396113864 is about 734.4124225602.

The spelling of 396113864 in words is "three hundred ninety-six million, one hundred thirteen thousand, eight hundred sixty-four".