3965147 has 2 divisors, whose sum is σ = 3965148. Its totient is φ = 3965146.

The previous prime is 3965123. The next prime is 3965153. The reversal of 3965147 is 7415693.

3965147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3965147 - 2¹⁰ = 3964123 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3965197) 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, 1982573 + 1982574.

It is an arithmetic number, because the mean of its divisors is an integer number (1982574).

Almost surely, 2^3965147 is an apocalyptic number.

3965147 is a deficient number, since it is larger than the sum of its proper divisors (1).

3965147 is an equidigital number, since it uses as much as digits as its factorization.

3965147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 3965147 is about 1991.2676866760. The cubic root of 3965147 is about 158.2777121959.

The spelling of 3965147 in words is "three million, nine hundred sixty-five thousand, one hundred forty-seven".