2585989 has 16 divisors (see below), whose sum is σ = 3234816. Its totient is φ = 2016000.

The previous prime is 2585983. The next prime is 2586011. The reversal of 2585989 is 9895852.

It is not a de Polignac number, because 2585989 - 2³ = 2585981 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 (2585981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3339 + ... + 4039.

It is an arithmetic number, because the mean of its divisors is an integer number (202176).

2^2585989 is an apocalyptic number.

It is an amenable number.

2585989 is a deficient number, since it is larger than the sum of its proper divisors (648827).

2585989 is a wasteful number, since it uses less digits than its factorization.

2585989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its digits is 259200, while the sum is 46.

The square root of 2585989 is about 1608.1010540386. The cubic root of 2585989 is about 137.2594405381.

The spelling of 2585989 in words is "two million, five hundred eighty-five thousand, nine hundred eighty-nine".