4406839 has 2 divisors, whose sum is σ = 4406840. Its totient is φ = 4406838.

The previous prime is 4406837. The next prime is 4406881. The reversal of 4406839 is 9386044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4406839 - 2¹ = 4406837 is a prime.

Together with 4406837, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4406837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2203419 + 2203420.

It is an arithmetic number, because the mean of its divisors is an integer number (2203420).

Almost surely, 2^4406839 is an apocalyptic number.

4406839 is a deficient number, since it is larger than the sum of its proper divisors (1).

4406839 is an equidigital number, since it uses as much as digits as its factorization.

4406839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4406839 is about 2099.2472460384. The cubic root of 4406839 is about 163.9491092345.

The spelling of 4406839 in words is "four million, four hundred six thousand, eight hundred thirty-nine".