6549944 has 16 divisors (see below), whose sum is σ = 12490200. Its totient is φ = 3219232.

The previous prime is 6549937. The next prime is 6549973. The reversal of 6549944 is 4499456.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6467 + ... + 7410.

Almost surely, 2^6549944 is an apocalyptic number.

It is an amenable number.

6549944 is a deficient number, since it is larger than the sum of its proper divisors (5940256).

6549944 is a wasteful number, since it uses less digits than its factorization.

6549944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13942 (or 13938 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 6549944 is about 2559.2858378852. The cubic root of 6549944 is about 187.1023299157.

The spelling of 6549944 in words is "six million, five hundred forty-nine thousand, nine hundred forty-four".