6647196 has 12 divisors (see below), whose sum is σ = 15510152. Its totient is φ = 2215728.

The previous prime is 6647191. The next prime is 6647209. The reversal of 6647196 is 6917466.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6647191) 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 3 ways as a sum of consecutive naturals, for example, 276955 + ... + 276978.

Almost surely, 2^6647196 is an apocalyptic number.

It is an amenable number.

6647196 is an abundant number, since it is smaller than the sum of its proper divisors (8862956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6647196 is a wasteful number, since it uses less digits than its factorization.

6647196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553940 (or 553938 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 6647196 is about 2578.2156620423. The cubic root of 6647196 is about 188.0238011212.

The spelling of 6647196 in words is "six million, six hundred forty-seven thousand, one hundred ninety-six".