212589 has 24 divisors (see below), whose sum is σ = 349440. Its totient is φ = 123552.

The previous prime is 212587. The next prime is 212593. The reversal of 212589 is 985212.

It is not a de Polignac number, because 212589 - 2¹ = 212587 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 212589.

It is not an unprimeable number, because it can be changed into a prime (212587) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2652 + ... + 2730.

It is an arithmetic number, because the mean of its divisors is an integer number (14560).

2²¹²⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

212589 is a deficient number, since it is larger than the sum of its proper divisors (136851).

212589 is a wasteful number, since it uses less digits than its factorization.

212589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 118 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 212589 is about 461.0737468128. The cubic root of 212589 is about 59.6824894143.

The spelling of 212589 in words is "two hundred twelve thousand, five hundred eighty-nine".