500660 has 12 divisors (see below), whose sum is σ = 1051428. Its totient is φ = 200256.

The previous prime is 500629. The next prime is 500671. The reversal of 500660 is 66005.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106276 + 394384 = 326^2 + 628^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12497 + ... + 12536.

It is an arithmetic number, because the mean of its divisors is an integer number (87619).

2⁵⁰⁰⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

500660 is an abundant number, since it is smaller than the sum of its proper divisors (550768).

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

500660 is a wasteful number, since it uses less digits than its factorization.

500660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25042 (or 25040 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 500660 is about 707.5733177558. The cubic root of 500660 is about 79.4049600668.

Adding to 500660 its reverse (66005), we get a palindrome (566665).

The spelling of 500660 in words is "five hundred thousand, six hundred sixty".