4839209 has 4 divisors (see below), whose sum is σ = 4911504. Its totient is φ = 4766916.

The previous prime is 4839187. The next prime is 4839227. The reversal of 4839209 is 9029384.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4839209 - 2¹² = 4835113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4839229) 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, 36047 + ... + 36180.

It is an arithmetic number, because the mean of its divisors is an integer number (1227876).

Almost surely, 2^4839209 is an apocalyptic number.

It is an amenable number.

4839209 is a deficient number, since it is larger than the sum of its proper divisors (72295).

4839209 is an equidigital number, since it uses as much as digits as its factorization.

4839209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72294.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 4839209 is about 2199.8202199271. The cubic root of 4839209 is about 169.1445957384.

The spelling of 4839209 in words is "four million, eight hundred thirty-nine thousand, two hundred nine".