94236209 has 2 divisors, whose sum is σ = 94236210. Its totient is φ = 94236208.

The previous prime is 94236133. The next prime is 94236223. The reversal of 94236209 is 90263249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53875600 + 40360609 = 7340^2 + 6353^2 .

It is an emirp because it is prime and its reverse (90263249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94236209 - 2¹⁶ = 94170673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94236509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47118104 + 47118105.

It is an arithmetic number, because the mean of its divisors is an integer number (47118105).

Almost surely, 2^94236209 is an apocalyptic number.

It is an amenable number.

94236209 is a deficient number, since it is larger than the sum of its proper divisors (1).

94236209 is an equidigital number, since it uses as much as digits as its factorization.

94236209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 94236209 is about 9707.5336208534. The cubic root of 94236209 is about 455.0641281428.

The spelling of 94236209 in words is "ninety-four million, two hundred thirty-six thousand, two hundred nine".