500280 has 64 divisors (see below), whose sum is σ = 1641600. Its totient is φ = 120960.

The previous prime is 500257. The next prime is 500287. The reversal of 500280 is 82005.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (25650).

2⁵⁰⁰²⁸⁰ 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 500280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820800).

500280 is an abundant number, since it is smaller than the sum of its proper divisors (1141320).

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

500280 is a wasteful number, since it uses less digits than its factorization.

500280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 500280 is about 707.3047433745. The cubic root of 500280 is about 79.3848655768.

Adding to 500280 its reverse (82005), we get a palindrome (582285).

It can be divided in two parts, 500 and 280, that added together give a triangular number (780 = T₃₉).

The spelling of 500280 in words is "five hundred thousand, two hundred eighty".