4047844 has 6 divisors (see below), whose sum is σ = 7083734. Its totient is φ = 2023920.

The previous prime is 4047829. The next prime is 4047847. The reversal of 4047844 is 4487404.

4047844 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4040100 + 7744 = 2010^2 + 88^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4047847) 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 as a sum of consecutive naturals, namely, 505977 + ... + 505984.

Almost surely, 2^4047844 is an apocalyptic number.

It is an amenable number.

4047844 is a deficient number, since it is larger than the sum of its proper divisors (3035890).

4047844 is a wasteful number, since it uses less digits than its factorization.

4047844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011965 (or 1011963 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 4047844 is about 2011.9254459348. The cubic root of 4047844 is about 159.3704952719.

The spelling of 4047844 in words is "four million, forty-seven thousand, eight hundred forty-four".