831152 has 40 divisors (see below), whose sum is σ = 1895712. Its totient is φ = 345600.

The previous prime is 831139. The next prime is 831161. The reversal of 831152 is 251138.

831152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

831152 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 7 ways as a sum of consecutive naturals, for example, 4502 + ... + 4682.

2⁸³¹¹⁵² is an apocalyptic number.

831152 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 831152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947856).

831152 is an abundant number, since it is smaller than the sum of its proper divisors (1064560).

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

831152 is a wasteful number, since it uses less digits than its factorization.

831152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 231 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 831152 is about 911.6753808237. The cubic root of 831152 is about 94.0214226110.

The spelling of 831152 in words is "eight hundred thirty-one thousand, one hundred fifty-two".