4389448 has 32 divisors (see below), whose sum is σ = 9509760. Its totient is φ = 1860480.

The previous prime is 4389443. The next prime is 4389449. The reversal of 4389448 is 8449834.

4389448 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4389448.

It is not an unprimeable number, because it can be changed into a prime (4389443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5388 + ... + 6148.

It is an arithmetic number, because the mean of its divisors is an integer number (297180).

Almost surely, 2^4389448 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 4389448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4754880).

4389448 is an abundant number, since it is smaller than the sum of its proper divisors (5120312).

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

4389448 is a wasteful number, since it uses less digits than its factorization.

4389448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 873 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 4389448 is about 2095.1009522216. The cubic root of 4389448 is about 163.7331571745.

The spelling of 4389448 in words is "four million, three hundred eighty-nine thousand, four hundred forty-eight".