6944447 has 4 divisors (see below), whose sum is σ = 6979896. Its totient is φ = 6909000.

The previous prime is 6944437. The next prime is 6944461. The reversal of 6944447 is 7444496.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6944447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6944447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6944437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17429 + ... + 17822.

It is an arithmetic number, because the mean of its divisors is an integer number (1744974).

Almost surely, 2^6944447 is an apocalyptic number.

6944447 is a deficient number, since it is larger than the sum of its proper divisors (35449).

6944447 is a wasteful number, since it uses less digits than its factorization.

6944447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35448.

The product of its digits is 96768, while the sum is 38.

The square root of 6944447 is about 2635.2318683562. The cubic root of 6944447 is about 190.7857304953.

The spelling of 6944447 in words is "six million, nine hundred forty-four thousand, four hundred forty-seven".