831338404 has 24 divisors (see below), whose sum is σ = 1634875200. Its totient is φ = 367011744.

The previous prime is 831338399. The next prime is 831338411. The reversal of 831338404 is 404833138.

It is a happy number.

831338404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×831338404² = 1382247083930534432, 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 831338404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346354 + ... + 348745.

It is an arithmetic number, because the mean of its divisors is an integer number (68119800).

Almost surely, 2^831338404 is an apocalyptic number.

It is an amenable number.

831338404 is a deficient number, since it is larger than the sum of its proper divisors (803536796).

831338404 is a wasteful number, since it uses less digits than its factorization.

831338404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695139 (or 695137 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 831338404 is about 28832.9395657120. The cubic root of 831338404 is about 940.2845087187.

The spelling of 831338404 in words is "eight hundred thirty-one million, three hundred thirty-eight thousand, four hundred four".