3965317 has 2 divisors, whose sum is σ = 3965318. Its totient is φ = 3965316.

The previous prime is 3965309. The next prime is 3965341. The reversal of 3965317 is 7135693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3556996 + 408321 = 1886^2 + 639^2 .

It is a cyclic number.

It is not a de Polignac number, because 3965317 - 2³ = 3965309 is a prime.

3965317 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3965347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982658 + 1982659.

It is an arithmetic number, because the mean of its divisors is an integer number (1982659).

Almost surely, 2^3965317 is an apocalyptic number.

It is an amenable number.

3965317 is a deficient number, since it is larger than the sum of its proper divisors (1).

3965317 is an equidigital number, since it uses as much as digits as its factorization.

3965317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 34.

The square root of 3965317 is about 1991.3103725939. The cubic root of 3965317 is about 158.2799741403.

It can be divided in two parts, 3965 and 317, that multiplied together give a triangular number (1256905 = T₁₅₈₅).

The spelling of 3965317 in words is "three million, nine hundred sixty-five thousand, three hundred seventeen".