4947844 has 24 divisors (see below), whose sum is σ = 9525600. Its totient is φ = 2230080.

The previous prime is 4947841. The next prime is 4947853. The reversal of 4947844 is 4487494.

It is a d-powerful number, because it can be written as 4 + 9⁷ + 4⁵ + 7 + 8⁵ + 4⁸ + 4⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 4947797 and 4947806.

It is not an unprimeable number, because it can be changed into a prime (4947841) 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 7 ways as a sum of consecutive naturals, for example, 5712 + ... + 6520.

It is an arithmetic number, because the mean of its divisors is an integer number (396900).

Almost surely, 2^4947844 is an apocalyptic number.

4947844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4947844 is a deficient number, since it is larger than the sum of its proper divisors (4577756).

4947844 is a wasteful number, since it uses less digits than its factorization.

4947844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963 (or 961 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 4947844 is about 2224.3749683900. The cubic root of 4947844 is about 170.4009452070.

It can be divided in two parts, 494 and 7844, that added together give a palindrome (8338).

The spelling of 4947844 in words is "four million, nine hundred forty-seven thousand, eight hundred forty-four".