2598439 has 2 divisors, whose sum is σ = 2598440. Its totient is φ = 2598438.

The previous prime is 2598403. The next prime is 2598443. The reversal of 2598439 is 9348952.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2598439 - 2⁷ = 2598311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2590439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299219 + 1299220.

It is an arithmetic number, because the mean of its divisors is an integer number (1299220).

2^2598439 is an apocalyptic number.

2598439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2598439 is an equidigital number, since it uses as much as digits as its factorization.

2598439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 2598439 is about 1611.9674314328. The cubic root of 2598439 is about 137.4793621918.

The spelling of 2598439 in words is "two million, five hundred ninety-eight thousand, four hundred thirty-nine".