4449944 has 8 divisors (see below), whose sum is σ = 8343660. Its totient is φ = 2224968.

The previous prime is 4449923. The next prime is 4449947. The reversal of 4449944 is 4499444.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4449898 and 4449907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4449947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278114 + ... + 278129.

Almost surely, 2^4449944 is an apocalyptic number.

It is an amenable number.

4449944 is a deficient number, since it is larger than the sum of its proper divisors (3893716).

4449944 is a wasteful number, since it uses less digits than its factorization.

4449944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556249 (or 556245 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 4449944 is about 2109.4890376582. The cubic root of 4449944 is about 164.4819256879.

The spelling of 4449944 in words is "four million, four hundred forty-nine thousand, nine hundred forty-four".