831942 has 12 divisors (see below), whose sum is σ = 1802580. Its totient is φ = 277308.

The previous prime is 831917. The next prime is 831967. The reversal of 831942 is 249138.

831942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (831917) and next prime (831967).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

831942 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 5 ways as a sum of consecutive naturals, for example, 23092 + ... + 23127.

It is an arithmetic number, because the mean of its divisors is an integer number (150215).

2⁸³¹⁹⁴² is an apocalyptic number.

831942 is an abundant number, since it is smaller than the sum of its proper divisors (970638).

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

831942 is a wasteful number, since it uses less digits than its factorization.

831942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46227 (or 46224 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 831942 is about 912.1085461720. The cubic root of 831942 is about 94.0512019226.

It can be divided in two parts, 83 and 1942, that added together give a square (2025 = 45²).

The spelling of 831942 in words is "eight hundred thirty-one thousand, nine hundred forty-two".