4439448 has 160 divisors (see below), whose sum is σ = 14636160. Its totient is φ = 1244160.

The previous prime is 4439447. The next prime is 4439453. The reversal of 4439448 is 8449344.

4439448 is digitally balanced in base 4 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 2107²-1.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4439443) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 143193 + ... + 143223.

It is an arithmetic number, because the mean of its divisors is an integer number (91476).

Almost surely, 2^4439448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4439448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7318080).

4439448 is an abundant number, since it is smaller than the sum of its proper divisors (10196712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4439448 is a wasteful number, since it uses less digits than its factorization.

4439448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 66 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 4439448 is about 2106.9997626958. Note that the first 3 decimals coincide. The cubic root of 4439448 is about 164.3525037283.

The spelling of 4439448 in words is "four million, four hundred thirty-nine thousand, four hundred forty-eight".