6328681 has 4 divisors (see below), whose sum is σ = 6532864. Its totient is φ = 6124500.

The previous prime is 6328669. The next prime is 6328687. The reversal of 6328681 is 1868236.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6328681 is a prime.

It is a super-2 number, since 2×6328681² = 80104406399522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6328687) 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, 102045 + ... + 102106.

It is an arithmetic number, because the mean of its divisors is an integer number (1633216).

Almost surely, 2^6328681 is an apocalyptic number.

It is an amenable number.

6328681 is a deficient number, since it is larger than the sum of its proper divisors (204183).

6328681 is a wasteful number, since it uses less digits than its factorization.

6328681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204182.

The product of its digits is 13824, while the sum is 34.

The square root of 6328681 is about 2515.6869837084. The cubic root of 6328681 is about 184.9713225575.

The spelling of 6328681 in words is "six million, three hundred twenty-eight thousand, six hundred eighty-one".