4489472 has 72 divisors (see below), whose sum is σ = 10301760. Its totient is φ = 1935360.

The previous prime is 4489423. The next prime is 4489477. The reversal of 4489472 is 2749844.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (4489477) 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, 63197 + ... + 63267.

It is an arithmetic number, because the mean of its divisors is an integer number (143080).

Almost surely, 2^4489472 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 4489472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5150880).

4489472 is an abundant number, since it is smaller than the sum of its proper divisors (5812288).

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

4489472 is a wasteful number, since it uses less digits than its factorization.

4489472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 105 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 4489472 is about 2118.8374170757. The cubic root of 4489472 is about 164.9675112036.

The spelling of 4489472 in words is "four million, four hundred eighty-nine thousand, four hundred seventy-two".