589861 has 2 divisors, whose sum is σ = 589862. Its totient is φ = 589860.

The previous prime is 589859. The next prime is 589873. The reversal of 589861 is 168985.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 516961 + 72900 = 719^2 + 270^2 .

It is a cyclic number.

It is not a de Polignac number, because 589861 - 2¹ = 589859 is a prime.

Together with 589859, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 589861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (589811) 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 as a sum of consecutive naturals, namely, 294930 + 294931.

It is an arithmetic number, because the mean of its divisors is an integer number (294931).

2⁵⁸⁹⁸⁶¹ is an apocalyptic number.

It is an amenable number.

589861 is a deficient number, since it is larger than the sum of its proper divisors (1).

589861 is an equidigital number, since it uses as much as digits as its factorization.

589861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 37.

The square root of 589861 is about 768.0240881639. The cubic root of 589861 is about 83.8654781846.

Subtracting from 589861 its sum of digits (37), we obtain a square (589824 = 768²).

The spelling of 589861 in words is "five hundred eighty-nine thousand, eight hundred sixty-one".