560989 has 8 divisors (see below), whose sum is σ = 659232. Its totient is φ = 470640.

The previous prime is 560977. The next prime is 561019. The reversal of 560989 is 989065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 560989 - 2⁹ = 560477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (560929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819 + ... + 2104.

It is an arithmetic number, because the mean of its divisors is an integer number (82404).

2⁵⁶⁰⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

560989 is a deficient number, since it is larger than the sum of its proper divisors (98243).

560989 is a wasteful number, since it uses less digits than its factorization.

560989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 560989 is about 748.9919892763. The cubic root of 560989 is about 82.4742006871.

The spelling of 560989 in words is "five hundred sixty thousand, nine hundred eighty-nine".