8349217 has 2 divisors, whose sum is σ = 8349218. Its totient is φ = 8349216.

The previous prime is 8349203. The next prime is 8349223. The reversal of 8349217 is 7129438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8271376 + 77841 = 2876^2 + 279^2 .

It is a cyclic number.

It is not a de Polignac number, because 8349217 - 2¹⁵ = 8316449 is a prime.

It is not a weakly prime, because it can be changed into another prime (8349277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4174608 + 4174609.

It is an arithmetic number, because the mean of its divisors is an integer number (4174609).

Almost surely, 2^8349217 is an apocalyptic number.

It is an amenable number.

8349217 is a deficient number, since it is larger than the sum of its proper divisors (1).

8349217 is an equidigital number, since it uses as much as digits as its factorization.

8349217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 8349217 is about 2889.5011680219. The cubic root of 8349217 is about 202.8687949920.

The spelling of 8349217 in words is "eight million, three hundred forty-nine thousand, two hundred seventeen".