5809439 has 2 divisors, whose sum is σ = 5809440. Its totient is φ = 5809438.

The previous prime is 5809411. The next prime is 5809451. The reversal of 5809439 is 9349085.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5809439 - 2¹² = 5805343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5809469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2904719 + 2904720.

It is an arithmetic number, because the mean of its divisors is an integer number (2904720).

Almost surely, 2^5809439 is an apocalyptic number.

5809439 is a deficient number, since it is larger than the sum of its proper divisors (1).

5809439 is an equidigital number, since it uses as much as digits as its factorization.

5809439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 5809439 is about 2410.2777848207. The cubic root of 5809439 is about 179.7675909982.

The spelling of 5809439 in words is "five million, eight hundred nine thousand, four hundred thirty-nine".