4839439 has 4 divisors (see below), whose sum is σ = 5279400. Its totient is φ = 4399480.

The previous prime is 4839437. The next prime is 4839469. The reversal of 4839439 is 9349384.

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 4839439 - 2¹ = 4839437 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

4839439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4839437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219964 + ... + 219985.

It is an arithmetic number, because the mean of its divisors is an integer number (1319850).

Almost surely, 2^4839439 is an apocalyptic number.

4839439 is a deficient number, since it is larger than the sum of its proper divisors (439961).

4839439 is a wasteful number, since it uses less digits than its factorization.

4839439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439960.

The product of its digits is 93312, while the sum is 40.

The square root of 4839439 is about 2199.8724963052. The cubic root of 4839439 is about 169.1472754216.

The spelling of 4839439 in words is "four million, eight hundred thirty-nine thousand, four hundred thirty-nine".