2389591 has 2 divisors, whose sum is σ = 2389592. Its totient is φ = 2389590.

The previous prime is 2389589. The next prime is 2389613. The reversal of 2389591 is 1959832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2389591 - 2¹ = 2389589 is a prime.

Together with 2389589, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2389591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2389501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194795 + 1194796.

It is an arithmetic number, because the mean of its divisors is an integer number (1194796).

2^2389591 is an apocalyptic number.

2389591 is a deficient number, since it is larger than the sum of its proper divisors (1).

2389591 is an equidigital number, since it uses as much as digits as its factorization.

2389591 is an evil number, because the sum of its binary digits is even.

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

The square root of 2389591 is about 1545.8301976608. The cubic root of 2389591 is about 133.6927504135.

The spelling of 2389591 in words is "two million, three hundred eighty-nine thousand, five hundred ninety-one".