4340439 has 8 divisors (see below), whose sum is σ = 6430320. Its totient is φ = 2893608.

The previous prime is 4340431. The next prime is 4340447. The reversal of 4340439 is 9340434.

4340439 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4340431) and next prime (4340447).

It is not a de Polignac number, because 4340439 - 2³ = 4340431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 160757 = 4340439 / (4 + 3 + 4 + 0 + 4 + 3 + 9).

4340439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80352 + ... + 80405.

It is an arithmetic number, because the mean of its divisors is an integer number (803790).

Almost surely, 2^4340439 is an apocalyptic number.

4340439 is a deficient number, since it is larger than the sum of its proper divisors (2089881).

4340439 is a wasteful number, since it uses less digits than its factorization.

4340439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160766 (or 160760 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 4340439 is about 2083.3720263074. The cubic root of 4340439 is about 163.1215047474.

The spelling of 4340439 in words is "four million, three hundred forty thousand, four hundred thirty-nine".