885589 has 2 divisors, whose sum is σ = 885590. Its totient is φ = 885588.

The previous prime is 885553. The next prime is 885607. The reversal of 885589 is 985588.

885589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 819025 + 66564 = 905^2 + 258^2 .

It is a cyclic number.

It is not a de Polignac number, because 885589 - 2¹³ = 877397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (885509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442794 + 442795.

It is an arithmetic number, because the mean of its divisors is an integer number (442795).

2⁸⁸⁵⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

885589 is a deficient number, since it is larger than the sum of its proper divisors (1).

885589 is an equidigital number, since it uses as much as digits as its factorization.

885589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 43.

The square root of 885589 is about 941.0573840101. The cubic root of 885589 is about 96.0308422314.

Subtracting 885589 from its reverse (985588), we obtain a palindrome (99999).

The spelling of 885589 in words is "eight hundred eighty-five thousand, five hundred eighty-nine".