8956217 has 2 divisors, whose sum is σ = 8956218. Its totient is φ = 8956216.

The previous prime is 8956147. The next prime is 8956219. The reversal of 8956217 is 7126598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6431296 + 2524921 = 2536^2 + 1589^2 .

It is a cyclic number.

It is not a de Polignac number, because 8956217 - 2¹² = 8952121 is a prime.

Together with 8956219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8956219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4478108 + 4478109.

It is an arithmetic number, because the mean of its divisors is an integer number (4478109).

Almost surely, 2^8956217 is an apocalyptic number.

It is an amenable number.

8956217 is a deficient number, since it is larger than the sum of its proper divisors (1).

8956217 is an equidigital number, since it uses as much as digits as its factorization.

8956217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 8956217 is about 2992.6939369070. The cubic root of 8956217 is about 207.6705289991.

The spelling of 8956217 in words is "eight million, nine hundred fifty-six thousand, two hundred seventeen".