813386846 has 16 divisors (see below), whose sum is σ = 1284858960. Its totient is φ = 385119360.

The previous prime is 813386843. The next prime is 813386851. The reversal of 813386846 is 648683318.

It is a super-2 number, since 2×813386846² = 1323196322491655432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 813386846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813386843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144566 + ... + 150086.

It is an arithmetic number, because the mean of its divisors is an integer number (80303685).

Almost surely, 2^813386846 is an apocalyptic number.

813386846 is a deficient number, since it is larger than the sum of its proper divisors (471472114).

813386846 is a wasteful number, since it uses less digits than its factorization.

813386846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9419.

The product of its digits is 663552, while the sum is 47.

The square root of 813386846 is about 28519.9376927791. The cubic root of 813386846 is about 933.4671696113.

The spelling of 813386846 in words is "eight hundred thirteen million, three hundred eighty-six thousand, eight hundred forty-six".