9423217 has 2 divisors, whose sum is σ = 9423218. Its totient is φ = 9423216.

The previous prime is 9423187. The next prime is 9423229. The reversal of 9423217 is 7123249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5948721 + 3474496 = 2439^2 + 1864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9423217 is a prime.

9423217 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9423277) 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, 4711608 + 4711609.

It is an arithmetic number, because the mean of its divisors is an integer number (4711609).

Almost surely, 2^9423217 is an apocalyptic number.

It is an amenable number.

9423217 is a deficient number, since it is larger than the sum of its proper divisors (1).

9423217 is an equidigital number, since it uses as much as digits as its factorization.

9423217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 9423217 is about 3069.7258835277. The cubic root of 9423217 is about 211.2190398473.

Subtracting from 9423217 its reverse (7123249), we obtain a cube (2299968 = 132³).

It can be divided in two parts, 94232 and 17, that added together give a palindrome (94249).

The spelling of 9423217 in words is "nine million, four hundred twenty-three thousand, two hundred seventeen".