250868 has 12 divisors (see below), whose sum is σ = 446880. Its totient is φ = 123192.

The previous prime is 250867. The next prime is 250871. The reversal of 250868 is 868052.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 250868.

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 250868.

It is not an unprimeable number, because it can be changed into a prime (250867) 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, 296 + ... + 767.

It is an arithmetic number, because the mean of its divisors is an integer number (37240).

2²⁵⁰⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

250868 is a deficient number, since it is larger than the sum of its proper divisors (196012).

250868 is a wasteful number, since it uses less digits than its factorization.

250868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 250868 is about 500.8672478811. The cubic root of 250868 is about 63.0688757103.

The spelling of 250868 in words is "two hundred fifty thousand, eight hundred sixty-eight".