4438980 has 144 divisors (see below), whose sum is σ = 16633344. Its totient is φ = 933120.

The previous prime is 4438963. The next prime is 4438981. The reversal of 4438980 is 898344.

It is a Smith number, since the sum of its digits (36) 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 (36).

It is not an unprimeable number, because it can be changed into a prime (4438981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16245 + ... + 16515.

Almost surely, 2^4438980 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 4438980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8316672).

4438980 is an abundant number, since it is smaller than the sum of its proper divisors (12194364).

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

4438980 is a wasteful number, since it uses less digits than its factorization.

4438980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 4438980 is about 2106.8887013794. Note that the first 3 decimals coincide. The cubic root of 4438980 is about 164.3467282599.

The spelling of 4438980 in words is "four million, four hundred thirty-eight thousand, nine hundred eighty".