4059439 has 2 divisors, whose sum is σ = 4059440. Its totient is φ = 4059438.

The previous prime is 4059403. The next prime is 4059443. The reversal of 4059439 is 9349504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4059439 - 2¹⁷ = 3928367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4059499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2029719 + 2029720.

It is an arithmetic number, because the mean of its divisors is an integer number (2029720).

Almost surely, 2^4059439 is an apocalyptic number.

4059439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4059439 is an equidigital number, since it uses as much as digits as its factorization.

4059439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 4059439 is about 2014.8049533392. The cubic root of 4059439 is about 159.5225218211.

The spelling of 4059439 in words is "four million, fifty-nine thousand, four hundred thirty-nine".