2589391 has 4 divisors (see below), whose sum is σ = 2959312. Its totient is φ = 2219472.

The previous prime is 2589359. The next prime is 2589397. The reversal of 2589391 is 1939852.

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

It is a cyclic number.

It is not a de Polignac number, because 2589391 - 2⁵ = 2589359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2589391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2589397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184950 + ... + 184963.

It is an arithmetic number, because the mean of its divisors is an integer number (739828).

2^2589391 is an apocalyptic number.

2589391 is a deficient number, since it is larger than the sum of its proper divisors (369921).

2589391 is an equidigital number, since it uses as much as digits as its factorization.

2589391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369920.

The product of its digits is 19440, while the sum is 37.

The square root of 2589391 is about 1609.1584757257. The cubic root of 2589391 is about 137.3196047535.

The spelling of 2589391 in words is "two million, five hundred eighty-nine thousand, three hundred ninety-one".