500685 has 16 divisors (see below), whose sum is σ = 829440. Its totient is φ = 257600.

The previous prime is 500677. The next prime is 500693. The reversal of 500685 is 586005.

It is an interprime number because it is at equal distance from previous prime (500677) and next prime (500693).

It is not a de Polignac number, because 500685 - 2³ = 500677 is a prime.

It is an Ulam number.

500685 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141 + ... + 1010.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2⁵⁰⁰⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

500685 is a deficient number, since it is larger than the sum of its proper divisors (328755).

500685 is a wasteful number, since it uses less digits than its factorization.

500685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 500685 is about 707.5909835491. The cubic root of 500685 is about 79.4062817162.

The spelling of 500685 in words is "five hundred thousand, six hundred eighty-five".