6928247 has 2 divisors, whose sum is σ = 6928248. Its totient is φ = 6928246.

The previous prime is 6928241. The next prime is 6928249. The reversal of 6928247 is 7428296.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6928247 - 2¹⁶ = 6862711 is a prime.

Together with 6928249, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6928247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6928241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3464123 + 3464124.

It is an arithmetic number, because the mean of its divisors is an integer number (3464124).

Almost surely, 2^6928247 is an apocalyptic number.

6928247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6928247 is an equidigital number, since it uses as much as digits as its factorization.

6928247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 6928247 is about 2632.1563403415. The cubic root of 6928247 is about 190.6372600553.

The spelling of 6928247 in words is "six million, nine hundred twenty-eight thousand, two hundred forty-seven".