6444417 has 8 divisors (see below), whose sum is σ = 9820096. Its totient is φ = 3682512.

The previous prime is 6444413. The next prime is 6444437. The reversal of 6444417 is 7144446.

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

It is not a de Polignac number, because 6444417 - 2² = 6444413 is a prime.

It is a Duffinian number.

6444417 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6444413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153418 + ... + 153459.

It is an arithmetic number, because the mean of its divisors is an integer number (1227512).

Almost surely, 2^6444417 is an apocalyptic number.

It is an amenable number.

6444417 is a deficient number, since it is larger than the sum of its proper divisors (3375679).

6444417 is a wasteful number, since it uses less digits than its factorization.

6444417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306887.

The product of its digits is 10752, while the sum is 30.

The square root of 6444417 is about 2538.5856298341. The cubic root of 6444417 is about 186.0920748893.

The spelling of 6444417 in words is "six million, four hundred forty-four thousand, four hundred seventeen".