396731986594 has 16 divisors (see below), whose sum is σ = 630146350008. Its totient is φ = 186684781312.

The previous prime is 396731986591. The next prime is 396731986627. The reversal of 396731986594 is 495689137693.

It can be written as a sum of positive squares in 4 ways, for example, as 257388802225 + 139343184369 = 507335^2 + 373287^2 .

It is not an unprimeable number, because it can be changed into a prime (396731986591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125652 + ... + 899584.

Almost surely, 2^396731986594 is an apocalyptic number.

396731986594 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

396731986594 is a deficient number, since it is larger than the sum of its proper divisors (233414363414).

396731986594 is a wasteful number, since it uses less digits than its factorization.

396731986594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789029.

The product of its digits is 264539520, while the sum is 70.

The spelling of 396731986594 in words is "three hundred ninety-six billion, seven hundred thirty-one million, nine hundred eighty-six thousand, five hundred ninety-four".