831630244 has 9 divisors (see below), whose sum is σ = 1455453867. Its totient is φ = 415786284.

The previous prime is 831630223. The next prime is 831630253. The reversal of 831630244 is 442036138.

The square root of 831630244 is 28838.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 50467 + ... + 64885.

Almost surely, 2^831630244 is an apocalyptic number.

831630244 is the 28838-th square number.

It is an amenable number.

831630244 is a deficient number, since it is larger than the sum of its proper divisors (623823623).

831630244 is an frugal number, since it uses more digits than its factorization.

831630244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28842 (or 14421 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The cubic root of 831630244 is about 940.3945242973.

The spelling of 831630244 in words is "eight hundred thirty-one million, six hundred thirty thousand, two hundred forty-four".