813596394 has 16 divisors (see below), whose sum is σ = 1752361632. Its totient is φ = 250337328.

The previous prime is 813596389. The next prime is 813596401. The reversal of 813596394 is 493695318.

It is an unprimeable number.

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, 5215284 + ... + 5215439.

It is an arithmetic number, because the mean of its divisors is an integer number (109522602).

Almost surely, 2^813596394 is an apocalyptic number.

813596394 is an abundant number, since it is smaller than the sum of its proper divisors (938765238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813596394 is a wasteful number, since it uses less digits than its factorization.

813596394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430741.

The product of its digits is 699840, while the sum is 48.

The square root of 813596394 is about 28523.6111668912. The cubic root of 813596394 is about 933.5473239210.

The spelling of 813596394 in words is "eight hundred thirteen million, five hundred ninety-six thousand, three hundred ninety-four".