831326 has 16 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 388440.

The previous prime is 831323. The next prime is 831329. The reversal of 831326 is 623138.

It is an interprime number because it is at equal distance from previous prime (831323) and next prime (831329).

It is a super-2 number, since 2×831326² = 1382205836552, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4895 + ... + 5061.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2⁸³¹³²⁶ is an apocalyptic number.

831326 is a deficient number, since it is larger than the sum of its proper divisors (499234).

831326 is a wasteful number, since it uses less digits than its factorization.

831326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319.

The product of its digits is 864, while the sum is 23.

The square root of 831326 is about 911.7708045337. The cubic root of 831326 is about 94.0279832185.

It can be divided in two parts, 83132 and 6, that added together give a palindrome (83138).

The spelling of 831326 in words is "eight hundred thirty-one thousand, three hundred twenty-six".