6549968 has 20 divisors (see below), whose sum is σ = 12767040. Its totient is φ = 3255264.

The previous prime is 6549937. The next prime is 6549973. The reversal of 6549968 is 8699456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1721 + ... + 4007.

It is an arithmetic number, because the mean of its divisors is an integer number (638352).

Almost surely, 2^6549968 is an apocalyptic number.

It is an amenable number.

6549968 is a deficient number, since it is larger than the sum of its proper divisors (6217072).

6549968 is a wasteful number, since it uses less digits than its factorization.

6549968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474 (or 2468 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 6549968 is about 2559.2905266890. The cubic root of 6549968 is about 187.1025584393.

The spelling of 6549968 in words is "six million, five hundred forty-nine thousand, nine hundred sixty-eight".