530244 has 72 divisors (see below), whose sum is σ = 1589952. Its totient is φ = 146880.

The previous prime is 530237. The next prime is 530249. The reversal of 530244 is 442035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 530244.

It is not an unprimeable number, because it can be changed into a prime (530249) by changing a digit.

530244 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 23 ways as a sum of consecutive naturals, for example, 5097 + ... + 5199.

2⁵³⁰²⁴⁴ 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 530244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794976).

530244 is an abundant number, since it is smaller than the sum of its proper divisors (1059708).

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

530244 is a wasteful number, since it uses less digits than its factorization.

530244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 530244 is about 728.1785495330. The cubic root of 530244 is about 80.9391403841.

Adding to 530244 its reverse (442035), we get a palindrome (972279).

Subtracting from 530244 its reverse (442035), we obtain a square (88209 = 297²).

The spelling of 530244 in words is "five hundred thirty thousand, two hundred forty-four".