831712 has 48 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 344448.

The previous prime is 831709. The next prime is 831713. The reversal of 831712 is 217138.

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10489 + ... + 10567.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2⁸³¹⁷¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 831712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967680).

831712 is an abundant number, since it is smaller than the sum of its proper divisors (1103648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

831712 is a wasteful number, since it uses less digits than its factorization.

831712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 135 counting only the distinct ones).

The product of its digits is 336, while the sum is 22.

The square root of 831712 is about 911.9824559716. The cubic root of 831712 is about 94.0425339425.

The spelling of 831712 in words is "eight hundred thirty-one thousand, seven hundred twelve".