530780 has 12 divisors (see below), whose sum is σ = 1114680. Its totient is φ = 212304.

The previous prime is 530773. The next prime is 530797. The reversal of 530780 is 87035.

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 530780.

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, 13250 + ... + 13289.

It is an arithmetic number, because the mean of its divisors is an integer number (92890).

2⁵³⁰⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

530780 is an abundant number, since it is smaller than the sum of its proper divisors (583900).

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

530780 is a wasteful number, since it uses less digits than its factorization.

530780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26548 (or 26546 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 530780 is about 728.5464981729. The cubic root of 530780 is about 80.9664037882.

The spelling of 530780 in words is "five hundred thirty thousand, seven hundred eighty".