831344 has 20 divisors (see below), whose sum is σ = 1624896. Its totient is φ = 412032.

The previous prime is 831329. The next prime is 831361. The reversal of 831344 is 443138.

It is a super-2 number, since 2×831344² = 1382265692672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

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 831344.

It is an unprimeable number.

831344 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3452 + ... + 3684.

2⁸³¹³⁴⁴ is an apocalyptic number.

It is an amenable number.

831344 is a deficient number, since it is larger than the sum of its proper divisors (793552).

831344 is a wasteful number, since it uses less digits than its factorization.

831344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 458 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 831344 is about 911.7806753820. The cubic root of 831344 is about 94.0286618497.

It can be divided in two parts, 83134 and 4, that added together give a palindrome (83138).

The spelling of 831344 in words is "eight hundred thirty-one thousand, three hundred forty-four".