4444448 has 12 divisors (see below), whose sum is σ = 8750070. Its totient is φ = 2222208.

The previous prime is 4444409. The next prime is 4444469. The reversal of 4444448 is 8444444.

It can be written as a sum of positive squares in only one way, i.e., 4443664 + 784 = 2108^2 + 28^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 138889 = 4444448 / (4 + 4 + 4 + 4 + 4 + 4 + 8).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69413 + ... + 69476.

Almost surely, 2^4444448 is an apocalyptic number.

It is an amenable number.

4444448 is a deficient number, since it is larger than the sum of its proper divisors (4305622).

4444448 is a wasteful number, since it uses less digits than its factorization.

4444448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138899 (or 138891 counting only the distinct ones).

The product of its digits is 32768, while the sum is 32.

The square root of 4444448 is about 2108.1859500528. The cubic root of 4444448 is about 164.4141821325.

It can be divided in two parts, 44444 and 48, that multiplied together give a palindrome (2133312).

The spelling of 4444448 in words is "four million, four hundred forty-four thousand, four hundred forty-eight".