823395604 has 12 divisors (see below), whose sum is σ = 1457133300. Its totient is φ = 407071808.

The previous prime is 823395593. The next prime is 823395613. The reversal of 823395604 is 406593328.

It can be written as a sum of positive squares in 2 ways, for example, as 91584900 + 731810704 = 9570^2 + 27052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156099 + ... + 1156810.

It is an arithmetic number, because the mean of its divisors is an integer number (121427775).

Almost surely, 2^823395604 is an apocalyptic number.

It is an amenable number.

823395604 is a deficient number, since it is larger than the sum of its proper divisors (633737696).

823395604 is a wasteful number, since it uses less digits than its factorization.

823395604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313002 (or 2313000 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 823395604 is about 28694.8706914668. The cubic root of 823395604 is about 937.2803553944.

The spelling of 823395604 in words is "eight hundred twenty-three million, three hundred ninety-five thousand, six hundred four".