831690332 has 12 divisors (see below), whose sum is σ = 1587772536. Its totient is φ = 378041040.

The previous prime is 831690331. The next prime is 831690341. The reversal of 831690332 is 233096138.

It is a junction number, because it is equal to n+sod(n) for n = 831690292 and 831690301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831690331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9450983 + ... + 9451070.

It is an arithmetic number, because the mean of its divisors is an integer number (132314378).

Almost surely, 2^831690332 is an apocalyptic number.

It is an amenable number.

831690332 is a deficient number, since it is larger than the sum of its proper divisors (756082204).

831690332 is a wasteful number, since it uses less digits than its factorization.

831690332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18902068 (or 18902066 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 831690332 is about 28839.0418010030. The cubic root of 831690332 is about 940.4171726099.

The spelling of 831690332 in words is "eight hundred thirty-one million, six hundred ninety thousand, three hundred thirty-two".