4194217 has 2 divisors, whose sum is σ = 4194218. Its totient is φ = 4194216.

The previous prime is 4194199. The next prime is 4194247. The reversal of 4194217 is 7124914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3400336 + 793881 = 1844^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 4194217 - 2¹¹ = 4192169 is a prime.

4194217 is a lucky number.

It is a nialpdrome in base 4.

It is not a weakly prime, because it can be changed into another prime (4194247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097108 + 2097109.

It is an arithmetic number, because the mean of its divisors is an integer number (2097109).

Almost surely, 2^4194217 is an apocalyptic number.

It is an amenable number.

4194217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4194217 is an equidigital number, since it uses as much as digits as its factorization.

4194217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 4194217 is about 2047.9787596555. The cubic root of 4194217 is about 161.2687793364.

The spelling of 4194217 in words is "four million, one hundred ninety-four thousand, two hundred seventeen".