4421744 has 10 divisors (see below), whose sum is σ = 8567160. Its totient is φ = 2210864.

The previous prime is 4421743. The next prime is 4421749. The reversal of 4421744 is 4471244.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138164 + ... + 138195.

It is an arithmetic number, because the mean of its divisors is an integer number (856716).

Almost surely, 2^4421744 is an apocalyptic number.

It is an amenable number.

4421744 is a deficient number, since it is larger than the sum of its proper divisors (4145416).

4421744 is a wasteful number, since it uses less digits than its factorization.

4421744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276367 (or 276361 counting only the distinct ones).

The product of its digits is 3584, while the sum is 26.

The square root of 4421744 is about 2102.7943313601. The cubic root of 4421744 is about 164.1337398068.

Adding to 4421744 its reverse (4471244), we get a palindrome (8892988).

The spelling of 4421744 in words is "four million, four hundred twenty-one thousand, seven hundred forty-four".