4359439 has 4 divisors (see below), whose sum is σ = 4982224. Its totient is φ = 3736656.

The previous prime is 4359403. The next prime is 4359503. The reversal of 4359439 is 9349534.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9349534 = 2 ⋅4674767.

It is not a de Polignac number, because 4359439 - 2⁹ = 4358927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4359398 and 4359407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4359139) 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, 311382 + ... + 311395.

It is an arithmetic number, because the mean of its divisors is an integer number (1245556).

Almost surely, 2^4359439 is an apocalyptic number.

4359439 is a deficient number, since it is larger than the sum of its proper divisors (622785).

4359439 is an equidigital number, since it uses as much as digits as its factorization.

4359439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622784.

The product of its digits is 58320, while the sum is 37.

The square root of 4359439 is about 2087.9269623241. The cubic root of 4359439 is about 163.3591763449.

The spelling of 4359439 in words is "four million, three hundred fifty-nine thousand, four hundred thirty-nine".