396607371808 has 36 divisors (see below), whose sum is σ = 791663801418. Its totient is φ = 195587112960.

The previous prime is 396607371803. The next prime is 396607371829. The reversal of 396607371808 is 808173706693.

It can be written as a sum of positive squares in 3 ways, for example, as 293430222864 + 103177148944 = 541692^2 + 321212^2 .

It is not an unprimeable number, because it can be changed into a prime (396607371803) 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 5 ways as a sum of consecutive naturals, for example, 992353 + ... + 1333408.

Almost surely, 2^396607371808 is an apocalyptic number.

It is an amenable number.

396607371808 is a deficient number, since it is larger than the sum of its proper divisors (395056429610).

396607371808 is an equidigital number, since it uses as much as digits as its factorization.

396607371808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325917 (or 2325836 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 396607371808 in words is "three hundred ninety-six billion, six hundred seven million, three hundred seventy-one thousand, eight hundred eight".