502820 has 24 divisors (see below), whose sum is σ = 1091328. Its totient is φ = 194400.

The previous prime is 502819. The next prime is 502829. The reversal of 502820 is 28205.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (502829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215 + ... + 1025.

It is an arithmetic number, because the mean of its divisors is an integer number (45472).

2⁵⁰²⁸²⁰ 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 502820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545664).

502820 is an abundant number, since it is smaller than the sum of its proper divisors (588508).

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

502820 is a wasteful number, since it uses less digits than its factorization.

502820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 502820 is about 709.0980186124. The cubic root of 502820 is about 79.5189886475.

The spelling of 502820 in words is "five hundred two thousand, eight hundred twenty".