6444718 has 8 divisors (see below), whose sum is σ = 11048112. Its totient is φ = 2762016.

The previous prime is 6444707. The next prime is 6444719. The reversal of 6444718 is 8174446.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444719) 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, 230155 + ... + 230182.

It is an arithmetic number, because the mean of its divisors is an integer number (1381014).

Almost surely, 2^6444718 is an apocalyptic number.

6444718 is a deficient number, since it is larger than the sum of its proper divisors (4603394).

6444718 is a wasteful number, since it uses less digits than its factorization.

6444718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460346.

The product of its digits is 21504, while the sum is 34.

The square root of 6444718 is about 2538.6449141225. The cubic root of 6444718 is about 186.0949721177.

The spelling of 6444718 in words is "six million, four hundred forty-four thousand, seven hundred eighteen".