500805 has 24 divisors (see below), whose sum is σ = 898560. Its totient is φ = 257760.

The previous prime is 500791. The next prime is 500807. The reversal of 500805 is 508005.

It is not a de Polignac number, because 500805 - 2⁶ = 500741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1216 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (37440).

2⁵⁰⁰⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

500805 is a deficient number, since it is larger than the sum of its proper divisors (397755).

500805 is a wasteful number, since it uses less digits than its factorization.

500805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 500805 is about 707.6757732182. The cubic root of 500805 is about 79.4126250209.

The spelling of 500805 in words is "five hundred thousand, eight hundred five".