502866 has 48 divisors (see below), whose sum is σ = 1345344. Its totient is φ = 132192.

The previous prime is 502861. The next prime is 502883. The reversal of 502866 is 668205.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 502866.

It is not an unprimeable number, because it can be changed into a prime (502861) by changing a digit.

502866 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 23 ways as a sum of consecutive naturals, for example, 1485 + ... + 1791.

It is an arithmetic number, because the mean of its divisors is an integer number (28028).

2⁵⁰²⁸⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 502866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672672).

502866 is an abundant number, since it is smaller than the sum of its proper divisors (842478).

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

502866 is a wasteful number, since it uses less digits than its factorization.

502866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 502866 is about 709.1304534428. The cubic root of 502866 is about 79.5214134794.

It can be divided in two parts, 50 and 2866, that added together give a square (2916 = 54²).

The spelling of 502866 in words is "five hundred two thousand, eight hundred sixty-six".