8364247 has 2 divisors, whose sum is σ = 8364248. Its totient is φ = 8364246.

The previous prime is 8364241. The next prime is 8364281. The reversal of 8364247 is 7424638.

It is an a-pointer prime, because the next prime (8364281) can be obtained adding 8364247 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8364247 - 2¹¹ = 8362199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8364241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4182123 + 4182124.

It is an arithmetic number, because the mean of its divisors is an integer number (4182124).

Almost surely, 2^8364247 is an apocalyptic number.

8364247 is a deficient number, since it is larger than the sum of its proper divisors (1).

8364247 is an equidigital number, since it uses as much as digits as its factorization.

8364247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 8364247 is about 2892.1007935409. The cubic root of 8364247 is about 202.9904547106.

The spelling of 8364247 in words is "eight million, three hundred sixty-four thousand, two hundred forty-seven".