6698247 has 4 divisors (see below), whose sum is σ = 8931000. Its totient is φ = 4465496.

The previous prime is 6698233. The next prime is 6698281. The reversal of 6698247 is 7428966.

6698247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6698247 - 2⁴ = 6698231 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 6698199 and 6698208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6698207) 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 3 ways as a sum of consecutive naturals, for example, 1116372 + ... + 1116377.

It is an arithmetic number, because the mean of its divisors is an integer number (2232750).

Almost surely, 2^6698247 is an apocalyptic number.

6698247 is a deficient number, since it is larger than the sum of its proper divisors (2232753).

6698247 is a wasteful number, since it uses less digits than its factorization.

6698247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232752.

The product of its digits is 145152, while the sum is 42.

The square root of 6698247 is about 2588.0971774646. The cubic root of 6698247 is about 188.5039200661.

The spelling of 6698247 in words is "six million, six hundred ninety-eight thousand, two hundred forty-seven".