2868589 has 4 divisors (see below), whose sum is σ = 2875324. Its totient is φ = 2861856.

The previous prime is 2868577. The next prime is 2868617. The reversal of 2868589 is 9858682.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2673225 + 195364 = 1635^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 2868589 - 2⁵ = 2868557 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 (2868539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2682 + ... + 3595.

It is an arithmetic number, because the mean of its divisors is an integer number (718831).

2^2868589 is an apocalyptic number.

It is an amenable number.

2868589 is a deficient number, since it is larger than the sum of its proper divisors (6735).

2868589 is an equidigital number, since it uses as much as digits as its factorization.

2868589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734.

The product of its digits is 276480, while the sum is 46.

The square root of 2868589 is about 1693.6909399297. The cubic root of 2868589 is about 142.0875773986.

The spelling of 2868589 in words is "two million, eight hundred sixty-eight thousand, five hundred eighty-nine".