500665 has 8 divisors (see below), whose sum is σ = 655488. Its totient is φ = 364080.

The previous prime is 500629. The next prime is 500671. The reversal of 500665 is 566005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 500665 - 2⁹ = 500153 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4497 + ... + 4606.

It is an arithmetic number, because the mean of its divisors is an integer number (81936).

2⁵⁰⁰⁶⁶⁵ is an apocalyptic number.

500665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

500665 is a deficient number, since it is larger than the sum of its proper divisors (154823).

500665 is a wasteful number, since it uses less digits than its factorization.

500665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 500665 is about 707.5768509498. The cubic root of 500665 is about 79.4052244002.

The spelling of 500665 in words is "five hundred thousand, six hundred sixty-five".