3967571 has 2 divisors, whose sum is σ = 3967572. Its totient is φ = 3967570.

The previous prime is 3967553. The next prime is 3967609. The reversal of 3967571 is 1757693.

3967571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (3967609) can be obtained adding 3967571 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3967571 - 2⁶ = 3967507 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3967541) 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, 1983785 + 1983786.

It is an arithmetic number, because the mean of its divisors is an integer number (1983786).

Almost surely, 2^3967571 is an apocalyptic number.

3967571 is a deficient number, since it is larger than the sum of its proper divisors (1).

3967571 is an equidigital number, since it uses as much as digits as its factorization.

3967571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 38.

The square root of 3967571 is about 1991.8762511763. The cubic root of 3967571 is about 158.3099587532.

The spelling of 3967571 in words is "three million, nine hundred sixty-seven thousand, five hundred seventy-one".