4787839 has 6 divisors (see below), whose sum is σ = 5569584. Its totient is φ = 4103820.

The previous prime is 4787833. The next prime is 4787869. The reversal of 4787839 is 9387874.

It is not a de Polignac number, because 4787839 - 2³ = 4787831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4787831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48807 + ... + 48904.

It is an arithmetic number, because the mean of its divisors is an integer number (928264).

Almost surely, 2^4787839 is an apocalyptic number.

4787839 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4787839 is a deficient number, since it is larger than the sum of its proper divisors (781745).

4787839 is an equidigital number, since it uses as much as digits as its factorization.

4787839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97725 (or 97718 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 4787839 is about 2188.1131140780. The cubic root of 4787839 is about 168.5439544628.

The spelling of 4787839 in words is "four million, seven hundred eighty-seven thousand, eight hundred thirty-nine".