6683648 has 44 divisors (see below), whose sum is σ = 13706712. Its totient is φ = 3256320.

The previous prime is 6683641. The next prime is 6683689. The reversal of 6683648 is 8463866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6683641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62411 + ... + 62517.

Almost surely, 2^6683648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6683648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6853356).

6683648 is an abundant number, since it is smaller than the sum of its proper divisors (7023064).

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

6683648 is a wasteful number, since it uses less digits than its factorization.

6683648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 170 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 6683648 is about 2585.2752271277. The cubic root of 6683648 is about 188.3668707515.

The spelling of 6683648 in words is "six million, six hundred eighty-three thousand, six hundred forty-eight".