396113865 has 32 divisors (see below), whose sum is σ = 727557120. Its totient is φ = 180272064.

The previous prime is 396113863. The next prime is 396113867. The reversal of 396113865 is 568311693.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (396113863) and next prime (396113867).

It is not a de Polignac number, because 396113865 - 2¹ = 396113863 is a prime.

It is a Curzon number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15526 + ... + 32144.

It is an arithmetic number, because the mean of its divisors is an integer number (22736160).

Almost surely, 2^396113865 is an apocalyptic number.

396113865 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

396113865 is a deficient number, since it is larger than the sum of its proper divisors (331443255).

396113865 is a wasteful number, since it uses less digits than its factorization.

396113865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16861.

The product of its digits is 116640, while the sum is 42.

The square root of 396113865 is about 19902.6095022738. The cubic root of 396113865 is about 734.4124231782.

The spelling of 396113865 in words is "three hundred ninety-six million, one hundred thirteen thousand, eight hundred sixty-five".