500780 has 48 divisors (see below), whose sum is σ = 1243200. Its totient is φ = 169344.

The previous prime is 500777. The next prime is 500791. The reversal of 500780 is 87005.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6824 + ... + 6896.

It is an arithmetic number, because the mean of its divisors is an integer number (25900).

2⁵⁰⁰⁷⁸⁰ 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 500780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621600).

500780 is an abundant number, since it is smaller than the sum of its proper divisors (742420).

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

500780 is a wasteful number, since it uses less digits than its factorization.

500780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 500780 is about 707.6581095416. The cubic root of 500780 is about 79.4113035827.

Subtracting from 500780 its product of nonzero digits (280), we obtain a triangular number (500500 = T₁₀₀₀).

Adding to 500780 its reverse (87005), we get a palindrome (587785).

The spelling of 500780 in words is "five hundred thousand, seven hundred eighty".