6918944 has 12 divisors (see below), whose sum is σ = 13621734. Its totient is φ = 3459456.

The previous prime is 6918943. The next prime is 6918953. The reversal of 6918944 is 4498196.

It can be written as a sum of positive squares in only one way, i.e., 4787344 + 2131600 = 2188^2 + 1460^2 .

It is not an unprimeable number, because it can be changed into a prime (6918943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108077 + ... + 108140.

Almost surely, 2^6918944 is an apocalyptic number.

It is an amenable number.

6918944 is a deficient number, since it is larger than the sum of its proper divisors (6702790).

6918944 is a wasteful number, since it uses less digits than its factorization.

6918944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216227 (or 216219 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 6918944 is about 2630.3885644520. The cubic root of 6918944 is about 190.5518948916.

The spelling of 6918944 in words is "six million, nine hundred eighteen thousand, nine hundred forty-four".