6643282 has 8 divisors (see below), whose sum is σ = 10134000. Its totient is φ = 3265284.

The previous prime is 6643261. The next prime is 6643283. The reversal of 6643282 is 2823466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6643283) 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, 28032 + ... + 28267.

It is an arithmetic number, because the mean of its divisors is an integer number (1266750).

Almost surely, 2^6643282 is an apocalyptic number.

6643282 is a deficient number, since it is larger than the sum of its proper divisors (3490718).

6643282 is a wasteful number, since it uses less digits than its factorization.

6643282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56360.

The product of its digits is 13824, while the sum is 31.

The square root of 6643282 is about 2577.4564981780. The cubic root of 6643282 is about 187.9868898357.

The spelling of 6643282 in words is "six million, six hundred forty-three thousand, two hundred eighty-two".