4443140 has 48 divisors (see below), whose sum is σ = 10499328. Its totient is φ = 1567104.

The previous prime is 4443139. The next prime is 4443143. The reversal of 4443140 is 413444.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (4443143) 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, 5609 + ... + 6351.

It is an arithmetic number, because the mean of its divisors is an integer number (218736).

Almost surely, 2^4443140 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 4443140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5249664).

4443140 is an abundant number, since it is smaller than the sum of its proper divisors (6056188).

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

4443140 is a wasteful number, since it uses less digits than its factorization.

4443140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4443140 is about 2107.8757079107. The cubic root of 4443140 is about 164.3980515316.

Adding to 4443140 its reverse (413444), we get a palindrome (4856584).

The spelling of 4443140 in words is "four million, four hundred forty-three thousand, one hundred forty".