2440589 has 2 divisors, whose sum is σ = 2440590. Its totient is φ = 2440588.

The previous prime is 2440579. The next prime is 2440591. The reversal of 2440589 is 9850442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2427364 + 13225 = 1558^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440589 - 2⁴ = 2440573 is a prime.

Together with 2440591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2440579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220294 + 1220295.

It is an arithmetic number, because the mean of its divisors is an integer number (1220295).

2^2440589 is an apocalyptic number.

It is an amenable number.

2440589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440589 is an equidigital number, since it uses as much as digits as its factorization.

2440589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2440589 is about 1562.2384581107. The cubic root of 2440589 is about 134.6371417099.

The spelling of 2440589 in words is "two million, four hundred forty thousand, five hundred eighty-nine".