505868 has 12 divisors (see below), whose sum is σ = 965832. Its totient is φ = 229920.

The previous prime is 505867. The next prime is 505871. The reversal of 505868 is 868505.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 505868.

It is not an unprimeable number, because it can be changed into a prime (505867) 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, 5705 + ... + 5792.

It is an arithmetic number, because the mean of its divisors is an integer number (80486).

2⁵⁰⁵⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

505868 is a deficient number, since it is larger than the sum of its proper divisors (459964).

505868 is a wasteful number, since it uses less digits than its factorization.

505868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11512 (or 11510 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 505868 is about 711.2439806424. The cubic root of 505868 is about 79.6793414434.

The spelling of 505868 in words is "five hundred five thousand, eight hundred sixty-eight".