589661 has 4 divisors (see below), whose sum is σ = 594432. Its totient is φ = 584892.

The previous prime is 589643. The next prime is 589681. The reversal of 589661 is 166985.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 589661 - 2¹⁴ = 573277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (589601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195 + ... + 2448.

It is an arithmetic number, because the mean of its divisors is an integer number (148608).

2⁵⁸⁹⁶⁶¹ is an apocalyptic number.

It is an amenable number.

589661 is a deficient number, since it is larger than the sum of its proper divisors (4771).

589661 is a wasteful number, since it uses less digits than its factorization.

589661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770.

The product of its digits is 12960, while the sum is 35.

The square root of 589661 is about 767.8938728757. The cubic root of 589661 is about 83.8559985549.

The spelling of 589661 in words is "five hundred eighty-nine thousand, six hundred sixty-one".