4847391 has 8 divisors (see below), whose sum is σ = 7181360. Its totient is φ = 3231576.

The previous prime is 4847387. The next prime is 4847443. The reversal of 4847391 is 1937484.

It is a happy number.

It is not a de Polignac number, because 4847391 - 2² = 4847387 is a prime.

It is a Duffinian number.

4847391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4847341) 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, 89740 + ... + 89793.

It is an arithmetic number, because the mean of its divisors is an integer number (897670).

Almost surely, 2^4847391 is an apocalyptic number.

4847391 is a deficient number, since it is larger than the sum of its proper divisors (2333969).

4847391 is a wasteful number, since it uses less digits than its factorization.

4847391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179542 (or 179536 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 4847391 is about 2201.6791319354. The cubic root of 4847391 is about 169.2398703889.

It can be divided in two parts, 484 and 7391, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 4847391 in words is "four million, eight hundred forty-seven thousand, three hundred ninety-one".