4438840 has 64 divisors (see below), whose sum is σ = 11612160. Its totient is φ = 1495680.

The previous prime is 4438831. The next prime is 4438843. The reversal of 4438840 is 488344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4438843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23145 + ... + 23335.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

Almost surely, 2^4438840 is an apocalyptic number.

4438840 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 4438840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5806080).

4438840 is an abundant number, since it is smaller than the sum of its proper divisors (7173320).

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

4438840 is a wasteful number, since it uses less digits than its factorization.

4438840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 4438840 is about 2106.8554767710. The cubic root of 4438840 is about 164.3450004768.

The spelling of 4438840 in words is "four million, four hundred thirty-eight thousand, eight hundred forty".