4747839 has 8 divisors (see below), whose sum is σ = 6346032. Its totient is φ = 3157440.

The previous prime is 4747829. The next prime is 4747871. The reversal of 4747839 is 9387474.

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

It is not a de Polignac number, because 4747839 - 2⁸ = 4747583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4747839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4747819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334 + ... + 3099.

It is an arithmetic number, because the mean of its divisors is an integer number (793254).

Almost surely, 2^4747839 is an apocalyptic number.

4747839 is a deficient number, since it is larger than the sum of its proper divisors (1598193).

4747839 is a wasteful number, since it uses less digits than its factorization.

4747839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897.

The product of its digits is 169344, while the sum is 42.

The square root of 4747839 is about 2178.9536479696. The cubic root of 4747839 is about 168.0732744421.

The spelling of 4747839 in words is "four million, seven hundred forty-seven thousand, eight hundred thirty-nine".