4434139 has 4 divisors (see below), whose sum is σ = 4517856. Its totient is φ = 4350424.

The previous prime is 4434119. The next prime is 4434149. The reversal of 4434139 is 9314344.

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 4434139 - 2⁵ = 4434107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4434119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41779 + ... + 41884.

It is an arithmetic number, because the mean of its divisors is an integer number (1129464).

Almost surely, 2^4434139 is an apocalyptic number.

4434139 is a deficient number, since it is larger than the sum of its proper divisors (83717).

4434139 is an equidigital number, since it uses as much as digits as its factorization.

4434139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83716.

The product of its digits is 5184, while the sum is 28.

The square root of 4434139 is about 2105.7395375497. The cubic root of 4434139 is about 164.2869628855.

The spelling of 4434139 in words is "four million, four hundred thirty-four thousand, one hundred thirty-nine".