4449439 has 4 divisors (see below), whose sum is σ = 4683640. Its totient is φ = 4215240.

The previous prime is 4449433. The next prime is 4449449. The reversal of 4449439 is 9349444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4449439 - 2⁵ = 4449407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4449398 and 4449407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4449433) 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 in 3 ways as a sum of consecutive naturals, for example, 117072 + ... + 117109.

It is an arithmetic number, because the mean of its divisors is an integer number (1170910).

Almost surely, 2^4449439 is an apocalyptic number.

4449439 is a deficient number, since it is larger than the sum of its proper divisors (234201).

4449439 is a wasteful number, since it uses less digits than its factorization.

4449439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234200.

The product of its digits is 62208, while the sum is 37.

The square root of 4449439 is about 2109.3693370294. The cubic root of 4449439 is about 164.4757033988.

The spelling of 4449439 in words is "four million, four hundred forty-nine thousand, four hundred thirty-nine".