682831 has 4 divisors (see below), whose sum is σ = 686952. Its totient is φ = 678712.

The previous prime is 682819. The next prime is 682901. The reversal of 682831 is 138286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138286 = 2 ⋅69143.

It is a cyclic number.

It is not a de Polignac number, because 682831 - 2¹¹ = 680783 is a prime.

It is a super-2 number, since 2×682831² = 932516349122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 682831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682811) 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, 1801 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (171738).

2⁶⁸²⁸³¹ is an apocalyptic number.

682831 is a deficient number, since it is larger than the sum of its proper divisors (4121).

682831 is a wasteful number, since it uses less digits than its factorization.

682831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120.

The product of its digits is 2304, while the sum is 28.

The square root of 682831 is about 826.3358881230. The cubic root of 682831 is about 88.0584580588.

It can be divided in two parts, 6828 and 31, that added together give a cube (6859 = 19³).

The spelling of 682831 in words is "six hundred eighty-two thousand, eight hundred thirty-one".