502660 has 24 divisors (see below), whose sum is σ = 1083096. Its totient is φ = 195840.

The previous prime is 502651. The next prime is 502669. The reversal of 502660 is 66205.

It is an interprime number because it is at equal distance from previous prime (502651) and next prime (502669).

It can be written as a sum of positive squares in 4 ways, for example, as 51076 + 451584 = 226^2 + 672^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502669) by changing a digit.

502660 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514 + ... + 1126.

It is an arithmetic number, because the mean of its divisors is an integer number (45129).

2⁵⁰²⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 502660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541548).

502660 is an abundant number, since it is smaller than the sum of its proper divisors (580436).

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

502660 is a wasteful number, since it uses less digits than its factorization.

502660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 502660 is about 708.9851902544. The cubic root of 502660 is about 79.5105532976.

Adding to 502660 its reverse (66205), we get a palindrome (568865).

The spelling of 502660 in words is "five hundred two thousand, six hundred sixty".