4439218 has 8 divisors (see below), whose sum is σ = 7610112. Its totient is φ = 1902516.

The previous prime is 4439213. The next prime is 4439257. The reversal of 4439218 is 8129344.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4439218.

It is not an unprimeable number, because it can be changed into a prime (4439213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158530 + ... + 158557.

It is an arithmetic number, because the mean of its divisors is an integer number (951264).

Almost surely, 2^4439218 is an apocalyptic number.

4439218 is a deficient number, since it is larger than the sum of its proper divisors (3170894).

4439218 is a wasteful number, since it uses less digits than its factorization.

4439218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317096.

The product of its digits is 6912, while the sum is 31.

The square root of 4439218 is about 2106.9451820112. The cubic root of 4439218 is about 164.3496654078.

The spelling of 4439218 in words is "four million, four hundred thirty-nine thousand, two hundred eighteen".