4487944 has 16 divisors (see below), whose sum is σ = 8781120. Its totient is φ = 2146320.

The previous prime is 4487939. The next prime is 4487969. The reversal of 4487944 is 4497844.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4487897 and 4487906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12012 + ... + 12379.

It is an arithmetic number, because the mean of its divisors is an integer number (548820).

Almost surely, 2^4487944 is an apocalyptic number.

It is an amenable number.

4487944 is a deficient number, since it is larger than the sum of its proper divisors (4293176).

4487944 is a wasteful number, since it uses less digits than its factorization.

4487944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24420 (or 24416 counting only the distinct ones).

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

The square root of 4487944 is about 2118.4768112963. The cubic root of 4487944 is about 164.9487934152.

The spelling of 4487944 in words is "four million, four hundred eighty-seven thousand, nine hundred forty-four".