831493 has 8 divisors (see below), whose sum is σ = 903168. Its totient is φ = 760944.

The previous prime is 831461. The next prime is 831503. The reversal of 831493 is 394138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 831493 - 2⁵ = 831461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980 + ... + 2362.

It is an arithmetic number, because the mean of its divisors is an integer number (112896).

2⁸³¹⁴⁹³ is an apocalyptic number.

It is an amenable number.

831493 is a deficient number, since it is larger than the sum of its proper divisors (71675).

831493 is a wasteful number, since it uses less digits than its factorization.

831493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563.

The product of its digits is 2592, while the sum is 28.

The square root of 831493 is about 911.8623799675. The cubic root of 831493 is about 94.0342790326.

The spelling of 831493 in words is "eight hundred thirty-one thousand, four hundred ninety-three".