39694241 has 2 divisors, whose sum is σ = 39694242. Its totient is φ = 39694240.

The previous prime is 39694199. The next prime is 39694253. The reversal of 39694241 is 14249693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24453025 + 15241216 = 4945^2 + 3904^2 .

It is an emirp because it is prime and its reverse (14249693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39694241 - 2⁶ = 39694177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39694195 and 39694204.

It is not a weakly prime, because it can be changed into another prime (39694141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19847120 + 19847121.

It is an arithmetic number, because the mean of its divisors is an integer number (19847121).

Almost surely, 2^39694241 is an apocalyptic number.

It is an amenable number.

39694241 is a deficient number, since it is larger than the sum of its proper divisors (1).

39694241 is an equidigital number, since it uses as much as digits as its factorization.

39694241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 39694241 is about 6300.3365783107. The cubic root of 39694241 is about 341.1215586434.

The spelling of 39694241 in words is "thirty-nine million, six hundred ninety-four thousand, two hundred forty-one".