813828344 has 32 divisors (see below), whose sum is σ = 1750896000. Its totient is φ = 347388000.

The previous prime is 813828329. The next prime is 813828391. The reversal of 813828344 is 443828318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14894 + ... + 43005.

It is an arithmetic number, because the mean of its divisors is an integer number (54715500).

Almost surely, 2^813828344 is an apocalyptic number.

It is an amenable number.

813828344 is an abundant number, since it is smaller than the sum of its proper divisors (937067656).

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

813828344 is a wasteful number, since it uses less digits than its factorization.

813828344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58163 (or 58159 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 813828344 is about 28527.6768069186. The cubic root of 813828344 is about 933.6360311838.

The spelling of 813828344 in words is "eight hundred thirteen million, eight hundred twenty-eight thousand, three hundred forty-four".