826863404 has 6 divisors (see below), whose sum is σ = 1447010964. Its totient is φ = 413431700.

The previous prime is 826863397. The next prime is 826863407. The reversal of 826863404 is 404368628.

826863404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (826863407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103357922 + ... + 103357929.

It is an arithmetic number, because the mean of its divisors is an integer number (241168494).

Almost surely, 2^826863404 is an apocalyptic number.

It is an amenable number.

826863404 is a deficient number, since it is larger than the sum of its proper divisors (620147560).

826863404 is a wasteful number, since it uses less digits than its factorization.

826863404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206715855 (or 206715853 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 826863404 is about 28755.2326368611. The cubic root of 826863404 is about 938.5943242307.

The spelling of 826863404 in words is "eight hundred twenty-six million, eight hundred sixty-three thousand, four hundred four".