41394209 has 2 divisors, whose sum is σ = 41394210. Its totient is φ = 41394208.

The previous prime is 41394193. The next prime is 41394233. The reversal of 41394209 is 90249314.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38254225 + 3139984 = 6185^2 + 1772^2 .

It is a cyclic number.

It is not a de Polignac number, because 41394209 - 2⁴ = 41394193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41394239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20697104 + 20697105.

It is an arithmetic number, because the mean of its divisors is an integer number (20697105).

Almost surely, 2^41394209 is an apocalyptic number.

It is an amenable number.

41394209 is a deficient number, since it is larger than the sum of its proper divisors (1).

41394209 is an equidigital number, since it uses as much as digits as its factorization.

41394209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 41394209 is about 6433.8331498415. The cubic root of 41394209 is about 345.9233377327.

The spelling of 41394209 in words is "forty-one million, three hundred ninety-four thousand, two hundred nine".