4785839 has 4 divisors (see below), whose sum is σ = 4915224. Its totient is φ = 4656456.

The previous prime is 4785827. The next prime is 4785881. The reversal of 4785839 is 9385874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4785839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4785839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4785239) 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, 64637 + ... + 64710.

It is an arithmetic number, because the mean of its divisors is an integer number (1228806).

Almost surely, 2^4785839 is an apocalyptic number.

4785839 is a deficient number, since it is larger than the sum of its proper divisors (129385).

4785839 is a wasteful number, since it uses less digits than its factorization.

4785839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129384.

The product of its digits is 241920, while the sum is 44.

The square root of 4785839 is about 2187.6560515767. The cubic root of 4785839 is about 168.5204828537.

The spelling of 4785839 in words is "four million, seven hundred eighty-five thousand, eight hundred thirty-nine".