6348681 has 6 divisors (see below), whose sum is σ = 9170330. Its totient is φ = 4232448.

The previous prime is 6348673. The next prime is 6348689. The reversal of 6348681 is 1868436.

It is a happy number.

6348681 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6348673) and next prime (6348689).

It can be written as a sum of positive squares in only one way, i.e., 3404025 + 2944656 = 1845^2 + 1716^2 .

It is not a de Polignac number, because 6348681 - 2³ = 6348673 is a prime.

It is a super-2 number, since 2×6348681² = 80611500879522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6348689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 352696 + ... + 352713.

Almost surely, 2^6348681 is an apocalyptic number.

It is an amenable number.

6348681 is a deficient number, since it is larger than the sum of its proper divisors (2821649).

6348681 is a wasteful number, since it uses less digits than its factorization.

6348681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705415 (or 705412 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 6348681 is about 2519.6589054870. The cubic root of 6348681 is about 185.1659674492.

The spelling of 6348681 in words is "six million, three hundred forty-eight thousand, six hundred eighty-one".