831872732 has 6 divisors (see below), whose sum is σ = 1455777288. Its totient is φ = 415936364.

The previous prime is 831872731. The next prime is 831872753. The reversal of 831872732 is 237278138.

It is a self number, because there is not a number n which added to its sum of digits gives 831872732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831872731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103984088 + ... + 103984095.

It is an arithmetic number, because the mean of its divisors is an integer number (242629548).

Almost surely, 2^831872732 is an apocalyptic number.

It is an amenable number.

831872732 is a deficient number, since it is larger than the sum of its proper divisors (623904556).

831872732 is a wasteful number, since it uses less digits than its factorization.

831872732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207968187 (or 207968185 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 831872732 is about 28842.2040073223. The cubic root of 831872732 is about 940.4859159661.

The spelling of 831872732 in words is "eight hundred thirty-one million, eight hundred seventy-two thousand, seven hundred thirty-two".