6648648 has 32 divisors (see below), whose sum is σ = 16749600. Its totient is φ = 2199168.

The previous prime is 6648647. The next prime is 6648661. The reversal of 6648648 is 8468466.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6648647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340 + ... + 4332.

It is an arithmetic number, because the mean of its divisors is an integer number (523425).

Almost surely, 2^6648648 is an apocalyptic number.

It is an amenable number.

6648648 is an abundant number, since it is smaller than the sum of its proper divisors (10100952).

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

6648648 is a wasteful number, since it uses less digits than its factorization.

6648648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141 (or 2137 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 6648648 is about 2578.4972367641. The cubic root of 6648648 is about 188.0374906370.

The spelling of 6648648 in words is "six million, six hundred forty-eight thousand, six hundred forty-eight".