530689 has 16 divisors (see below), whose sum is σ = 622080. Its totient is φ = 449280.

The previous prime is 530669. The next prime is 530693. The reversal of 530689 is 986035.

It is a cyclic number.

It is not a de Polignac number, because 530689 - 2⁹ = 530177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530689.

It is not an unprimeable number, because it can be changed into a prime (530609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9987 + ... + 10039.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2⁵³⁰⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

530689 is a deficient number, since it is larger than the sum of its proper divisors (91391).

530689 is a wasteful number, since it uses less digits than its factorization.

530689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 530689 is about 728.4840423784. The cubic root of 530689 is about 80.9617764072.

The spelling of 530689 in words is "five hundred thirty thousand, six hundred eighty-nine".