6444011 has 8 divisors (see below), whose sum is σ = 7544544. Its totient is φ = 5388480.

The previous prime is 6443999. The next prime is 6444017. The reversal of 6444011 is 1104446.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6444011 - 2⁶ = 6443947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6444017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10940 + ... + 11513.

It is an arithmetic number, because the mean of its divisors is an integer number (943068).

Almost surely, 2^6444011 is an apocalyptic number.

6444011 is a deficient number, since it is larger than the sum of its proper divisors (1100533).

6444011 is a wasteful number, since it uses less digits than its factorization.

6444011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22501.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 6444011 is about 2538.5056627867. The cubic root of 6444011 is about 186.0881668571.

Adding to 6444011 its reverse (1104446), we get a palindrome (7548457).

The spelling of 6444011 in words is "six million, four hundred forty-four thousand, eleven".