500868 has 18 divisors (see below), whose sum is σ = 1266174. Its totient is φ = 166944.

The previous prime is 500861. The next prime is 500873. The reversal of 500868 is 868005.

It can be written as a sum of positive squares in only one way, i.e., 451584 + 49284 = 672^2 + 222^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (500861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6921 + ... + 6992.

It is an arithmetic number, because the mean of its divisors is an integer number (70343).

2⁵⁰⁰⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

500868 is an abundant number, since it is smaller than the sum of its proper divisors (765306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500868 is a wasteful number, since it uses less digits than its factorization.

500868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13923 (or 13918 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 500868 is about 707.7202837280. The cubic root of 500868 is about 79.4159548503.

The spelling of 500868 in words is "five hundred thousand, eight hundred sixty-eight".