5805439 has 2 divisors, whose sum is σ = 5805440. Its totient is φ = 5805438.

The previous prime is 5805419. The next prime is 5805467. The reversal of 5805439 is 9345085.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5805439 - 2⁹ = 5804927 is a prime.

5805439 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5805419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2902719 + 2902720.

It is an arithmetic number, because the mean of its divisors is an integer number (2902720).

Almost surely, 2^5805439 is an apocalyptic number.

5805439 is a deficient number, since it is larger than the sum of its proper divisors (1).

5805439 is an equidigital number, since it uses as much as digits as its factorization.

5805439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 5805439 is about 2409.4478620630. The cubic root of 5805439 is about 179.7263227873.

The spelling of 5805439 in words is "five million, eight hundred five thousand, four hundred thirty-nine".