4839509 has 8 divisors (see below), whose sum is σ = 5394240. Its totient is φ = 4314816.

The previous prime is 4839487. The next prime is 4839529. The reversal of 4839509 is 9059384.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4839509 - 2⁸ = 4839253 is a prime.

It is a super-4 number, since 4×4839509⁴ (a number of 28 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4839529) 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 7 ways as a sum of consecutive naturals, for example, 7169 + ... + 7814.

It is an arithmetic number, because the mean of its divisors is an integer number (674280).

Almost surely, 2^4839509 is an apocalyptic number.

It is an amenable number.

4839509 is a deficient number, since it is larger than the sum of its proper divisors (554731).

4839509 is a wasteful number, since it uses less digits than its factorization.

4839509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15019.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 4839509 is about 2199.8884062606. Note that the first 3 decimals coincide. The cubic root of 4839509 is about 169.1480909605.

The spelling of 4839509 in words is "four million, eight hundred thirty-nine thousand, five hundred nine".