530856 has 48 divisors (see below), whose sum is σ = 1471860. Its totient is φ = 172800.

The previous prime is 530851. The next prime is 530857. The reversal of 530856 is 658035.

It can be written as a sum of positive squares in 2 ways, for example, as 476100 + 54756 = 690^2 + 234^2 .

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 530856.

It is not an unprimeable number, because it can be changed into a prime (530851) 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, 5206 + ... + 5306.

2⁵³⁰⁸⁵⁶ 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 530856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735930).

530856 is an abundant number, since it is smaller than the sum of its proper divisors (941004).

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

530856 is a wasteful number, since it uses less digits than its factorization.

530856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 530856 is about 728.5986549535. The cubic root of 530856 is about 80.9702680088.

The spelling of 530856 in words is "five hundred thirty thousand, eight hundred fifty-six".