4459939 has 24 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 3696000.

The previous prime is 4459921. The next prime is 4459951. The reversal of 4459939 is 9399544.

It is not a de Polignac number, because 4459939 - 2⁷ = 4459811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4459895 and 4459904.

It is not an unprimeable number, because it can be changed into a prime (4459339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108759 + ... + 108799.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

Almost surely, 2^4459939 is an apocalyptic number.

4459939 is a deficient number, since it is larger than the sum of its proper divisors (902621).

4459939 is a wasteful number, since it uses less digits than its factorization.

4459939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 112 counting only the distinct ones).

The product of its digits is 174960, while the sum is 43.

The square root of 4459939 is about 2111.8567659763. The cubic root of 4459939 is about 164.6049809835.

The spelling of 4459939 in words is "four million, four hundred fifty-nine thousand, nine hundred thirty-nine".