831868 has 6 divisors (see below), whose sum is σ = 1455776. Its totient is φ = 415932.

The previous prime is 831863. The next prime is 831881. The reversal of 831868 is 868138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831863) by changing a digit.

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 as a sum of consecutive naturals, namely, 103980 + ... + 103987.

2⁸³¹⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

831868 is a deficient number, since it is larger than the sum of its proper divisors (623908).

831868 is a wasteful number, since it uses less digits than its factorization.

831868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207971 (or 207969 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 831868 is about 912.0679799225. The cubic root of 831868 is about 94.0484132685.

The spelling of 831868 in words is "eight hundred thirty-one thousand, eight hundred sixty-eight".