3967297 has 2 divisors, whose sum is σ = 3967298. Its totient is φ = 3967296.

The previous prime is 3967289. The next prime is 3967321. The reversal of 3967297 is 7927693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2792241 + 1175056 = 1671^2 + 1084^2 .

It is a cyclic number.

It is not a de Polignac number, because 3967297 - 2³ = 3967289 is a prime.

It is not a weakly prime, because it can be changed into another prime (3967207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983648 + 1983649.

It is an arithmetic number, because the mean of its divisors is an integer number (1983649).

Almost surely, 2^3967297 is an apocalyptic number.

It is an amenable number.

3967297 is a deficient number, since it is larger than the sum of its proper divisors (1).

3967297 is an equidigital number, since it uses as much as digits as its factorization.

3967297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 43.

The square root of 3967297 is about 1991.8074706156. The cubic root of 3967297 is about 158.3063143800.

The spelling of 3967297 in words is "three million, nine hundred sixty-seven thousand, two hundred ninety-seven".