831359 has 4 divisors (see below), whose sum is σ = 837480. Its totient is φ = 825240.

The previous prime is 831329. The next prime is 831361. The reversal of 831359 is 953138.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 831359 - 2¹⁶ = 765823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 831359.

It is not an unprimeable number, because it can be changed into a prime (831329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2852 + ... + 3129.

It is an arithmetic number, because the mean of its divisors is an integer number (209370).

2⁸³¹³⁵⁹ is an apocalyptic number.

831359 is a deficient number, since it is larger than the sum of its proper divisors (6121).

831359 is a wasteful number, since it uses less digits than its factorization.

831359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6120.

The product of its digits is 3240, while the sum is 29.

The square root of 831359 is about 911.7889010072. The cubic root of 831359 is about 94.0292273683.

The spelling of 831359 in words is "eight hundred thirty-one thousand, three hundred fifty-nine".