813340590 has 16 divisors (see below), whose sum is σ = 1952017488. Its totient is φ = 216890816.

The previous prime is 813340589. The next prime is 813340603. The reversal of 813340590 is 95043318.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13555647 + ... + 13555706.

It is an arithmetic number, because the mean of its divisors is an integer number (122001093).

Almost surely, 2^813340590 is an apocalyptic number.

813340590 is an abundant number, since it is smaller than the sum of its proper divisors (1138676898).

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

813340590 is a wasteful number, since it uses less digits than its factorization.

813340590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27111363.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 813340590 is about 28519.1267397864. The cubic root of 813340590 is about 933.4494743510.

The spelling of 813340590 in words is "eight hundred thirteen million, three hundred forty thousand, five hundred ninety".