831232 has 36 divisors (see below), whose sum is σ = 1766016. Its totient is φ = 389120.

The previous prime is 831221. The next prime is 831239. The reversal of 831232 is 232138.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831239) by changing a digit.

831232 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4257 + ... + 4447.

It is an arithmetic number, because the mean of its divisors is an integer number (49056).

2⁸³¹²³² 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 831232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883008).

831232 is an abundant number, since it is smaller than the sum of its proper divisors (934784).

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

831232 is a wasteful number, since it uses less digits than its factorization.

831232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 210 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 831232 is about 911.7192550341. The cubic root of 831232 is about 94.0244390959.

The spelling of 831232 in words is "eight hundred thirty-one thousand, two hundred thirty-two".