530660 has 36 divisors (see below), whose sum is σ = 1214388. Its totient is φ = 194688.

The previous prime is 530659. The next prime is 530669. The reversal of 530660 is 66035.

It can be written as a sum of positive squares in 6 ways, for example, as 153664 + 376996 = 392^2 + 614^2 .

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

It is not an unprimeable number, because it can be changed into a prime (530669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3302 + ... + 3458.

It is an arithmetic number, because the mean of its divisors is an integer number (33733).

2⁵³⁰⁶⁶⁰ 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 530660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607194).

530660 is an abundant number, since it is smaller than the sum of its proper divisors (683728).

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

530660 is a wasteful number, since it uses less digits than its factorization.

530660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 530660 is about 728.4641377583. The cubic root of 530660 is about 80.9603016361.

Adding to 530660 its reverse (66035), we get a palindrome (596695).

The spelling of 530660 in words is "five hundred thirty thousand, six hundred sixty".