530844 has 24 divisors (see below), whose sum is σ = 1279488. Its totient is φ = 171120.

The previous prime is 530843. The next prime is 530851. The reversal of 530844 is 448035.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342 + ... + 1085.

It is an arithmetic number, because the mean of its divisors is an integer number (53312).

2⁵³⁰⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

530844 is an abundant number, since it is smaller than the sum of its proper divisors (748644).

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

530844 is a wasteful number, since it uses less digits than its factorization.

530844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 530844 is about 728.5904199205. The cubic root of 530844 is about 80.9696578932.

Adding to 530844 its reverse (448035), we get a palindrome (978879).

The spelling of 530844 in words is "five hundred thirty thousand, eight hundred forty-four".