3965771 has 4 divisors (see below), whose sum is σ = 4072992. Its totient is φ = 3858552.

The previous prime is 3965723. The next prime is 3965783. The reversal of 3965771 is 1775693.

3965771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1775693 = 233 ⋅7621.

It is a cyclic number.

It is not a de Polignac number, because 3965771 - 2⁶ = 3965707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3965701) 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 in 3 ways as a sum of consecutive naturals, for example, 53555 + ... + 53628.

It is an arithmetic number, because the mean of its divisors is an integer number (1018248).

Almost surely, 2^3965771 is an apocalyptic number.

3965771 is a deficient number, since it is larger than the sum of its proper divisors (107221).

3965771 is a wasteful number, since it uses less digits than its factorization.

3965771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107220.

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

The square root of 3965771 is about 1991.4243646195. The cubic root of 3965771 is about 158.2860145457.

The spelling of 3965771 in words is "three million, nine hundred sixty-five thousand, seven hundred seventy-one".