530988 has 12 divisors (see below), whose sum is σ = 1239000. Its totient is φ = 176992.

The previous prime is 530983. The next prime is 530989. The reversal of 530988 is 889035.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×530988² = 563896512288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (530983) by changing a digit.

530988 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 3 ways as a sum of consecutive naturals, for example, 22113 + ... + 22136.

It is an arithmetic number, because the mean of its divisors is an integer number (103250).

2⁵³⁰⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

530988 is an abundant number, since it is smaller than the sum of its proper divisors (708012).

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

530988 is a wasteful number, since it uses less digits than its factorization.

530988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44256 (or 44254 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 530988 is about 728.6892341733. The cubic root of 530988 is about 80.9769786733.

The spelling of 530988 in words is "five hundred thirty thousand, nine hundred eighty-eight".