396464357215 has 4 divisors (see below), whose sum is σ = 475757228664. Its totient is φ = 317171485768.

The previous prime is 396464357197. The next prime is 396464357221. The reversal of 396464357215 is 512753464693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 396464357215 - 2⁷ = 396464357087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39646435717 + ... + 39646435726.

It is an arithmetic number, because the mean of its divisors is an integer number (118939307166).

Almost surely, 2^396464357215 is an apocalyptic number.

396464357215 is a deficient number, since it is larger than the sum of its proper divisors (79292871449).

396464357215 is an equidigital number, since it uses as much as digits as its factorization.

396464357215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79292871448.

The product of its digits is 16329600, while the sum is 55.

The spelling of 396464357215 in words is "three hundred ninety-six billion, four hundred sixty-four million, three hundred fifty-seven thousand, two hundred fifteen".