6898247 has 2 divisors, whose sum is σ = 6898248. Its totient is φ = 6898246.

The previous prime is 6898231. The next prime is 6898249. The reversal of 6898247 is 7428986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6898247 - 2⁴ = 6898231 is a prime.

Together with 6898249, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6898198 and 6898207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6898249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3449123 + 3449124.

It is an arithmetic number, because the mean of its divisors is an integer number (3449124).

Almost surely, 2^6898247 is an apocalyptic number.

6898247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6898247 is an equidigital number, since it uses as much as digits as its factorization.

6898247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 6898247 is about 2626.4514082693. The cubic root of 6898247 is about 190.3617024961.

The spelling of 6898247 in words is "six million, eight hundred ninety-eight thousand, two hundred forty-seven".