4144439 has 16 divisors (see below), whose sum is σ = 4741632. Its totient is φ = 3593568.

The previous prime is 4144423. The next prime is 4144457. The reversal of 4144439 is 9344414.

It is not a de Polignac number, because 4144439 - 2⁴ = 4144423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24734 + ... + 24900.

It is an arithmetic number, because the mean of its divisors is an integer number (296352).

Almost surely, 2^4144439 is an apocalyptic number.

4144439 is a deficient number, since it is larger than the sum of its proper divisors (597193).

4144439 is a wasteful number, since it uses less digits than its factorization.

4144439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286.

The product of its digits is 6912, while the sum is 29.

The square root of 4144439 is about 2035.7895274316. The cubic root of 4144439 is about 160.6282460850.

The spelling of 4144439 in words is "four million, one hundred forty-four thousand, four hundred thirty-nine".