2589891 has 8 divisors (see below), whose sum is σ = 3461904. Its totient is φ = 1722240.

The previous prime is 2589887. The next prime is 2589893. The reversal of 2589891 is 1989852.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2589891 - 2² = 2589887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2589893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735 + ... + 2391.

It is an arithmetic number, because the mean of its divisors is an integer number (432738).

2^2589891 is an apocalyptic number.

2589891 is a deficient number, since it is larger than the sum of its proper divisors (872013).

2589891 is a wasteful number, since it uses less digits than its factorization.

2589891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181.

The product of its digits is 51840, while the sum is 42.

The square root of 2589891 is about 1609.3138289346. The cubic root of 2589891 is about 137.3284427883.

The spelling of 2589891 in words is "two million, five hundred eighty-nine thousand, eight hundred ninety-one".