3968897 has 2 divisors, whose sum is σ = 3968898. Its totient is φ = 3968896.

The previous prime is 3968893. The next prime is 3968917. The reversal of 3968897 is 7988693.

3968897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2660161 + 1308736 = 1631^2 + 1144^2 .

It is a cyclic number.

It is not a de Polignac number, because 3968897 - 2² = 3968893 is a prime.

It is not a weakly prime, because it can be changed into another prime (3968893) 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, 1984448 + 1984449.

It is an arithmetic number, because the mean of its divisors is an integer number (1984449).

Almost surely, 2^3968897 is an apocalyptic number.

It is an amenable number.

3968897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3968897 is an equidigital number, since it uses as much as digits as its factorization.

3968897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 50.

The square root of 3968897 is about 1992.2090753734. The cubic root of 3968897 is about 158.3275930206.

The spelling of 3968897 in words is "three million, nine hundred sixty-eight thousand, eight hundred ninety-seven".