503680 has 32 divisors (see below), whose sum is σ = 1205640. Its totient is φ = 201216.

The previous prime is 503663. The next prime is 503707. The reversal of 503680 is 86305.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247 + ... + 1033.

2⁵⁰³⁶⁸⁰ 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 503680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602820).

503680 is an abundant number, since it is smaller than the sum of its proper divisors (701960).

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

503680 is an equidigital number, since it uses as much as digits as its factorization.

503680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 503680 is about 709.7041637189. The cubic root of 503680 is about 79.5642980219.

Adding to 503680 its reverse (86305), we get a palindrome (589985).

The spelling of 503680 in words is "five hundred three thousand, six hundred eighty".