4438720 has 112 divisors (see below), whose sum is σ = 12545568. Its totient is φ = 1474560.

The previous prime is 4438703. The next prime is 4438739. The reversal of 4438720 is 278344.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45712 + ... + 45808.

It is an arithmetic number, because the mean of its divisors is an integer number (112014).

Almost surely, 2^4438720 is an apocalyptic number.

4438720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4438720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6272784).

4438720 is an abundant number, since it is smaller than the sum of its proper divisors (8106848).

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

4438720 is a wasteful number, since it uses less digits than its factorization.

4438720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 4438720 is about 2106.8269981183. The cubic root of 4438720 is about 164.3435194910.

Subtracting from 4438720 its product of nonzero digits (5376), we obtain a palindrome (4433344).

The spelling of 4438720 in words is "four million, four hundred thirty-eight thousand, seven hundred twenty".