813696344 has 16 divisors (see below), whose sum is σ = 1525986000. Its totient is φ = 406766752.

The previous prime is 813696343. The next prime is 813696349. The reversal of 813696344 is 443696318.

It is a junction number, because it is equal to n+sod(n) for n = 813696295 and 813696304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813696343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64682 + ... + 76230.

It is an arithmetic number, because the mean of its divisors is an integer number (95374125).

Almost surely, 2^813696344 is an apocalyptic number.

It is an amenable number.

813696344 is a deficient number, since it is larger than the sum of its proper divisors (712289656).

813696344 is a wasteful number, since it uses less digits than its factorization.

813696344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20362 (or 20358 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 813696344 is about 28525.3631703437. The cubic root of 813696344 is about 933.5855509973.

The spelling of 813696344 in words is "eight hundred thirteen million, six hundred ninety-six thousand, three hundred forty-four".