823106804 has 12 divisors (see below), whose sum is σ = 1551239844. Its totient is φ = 379895424.

The previous prime is 823106759. The next prime is 823106807. The reversal of 823106804 is 408601328.

It can be written as a sum of positive squares in 2 ways, for example, as 86527204 + 736579600 = 9302^2 + 27140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823106807) 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, 7914437 + ... + 7914540.

It is an arithmetic number, because the mean of its divisors is an integer number (129269987).

Almost surely, 2^823106804 is an apocalyptic number.

It is an amenable number.

823106804 is a deficient number, since it is larger than the sum of its proper divisors (728133040).

823106804 is a wasteful number, since it uses less digits than its factorization.

823106804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15828994 (or 15828992 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 823106804 is about 28689.8379918744. The cubic root of 823106804 is about 937.1707611651.

The spelling of 823106804 in words is "eight hundred twenty-three million, one hundred six thousand, eight hundred four".