3967771 has 4 divisors (see below), whose sum is σ = 3976344. Its totient is φ = 3959200.

The previous prime is 3967741. The next prime is 3967793. The reversal of 3967771 is 1777693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1777693 = 23 ⋅77291.

It is a cyclic number.

It is not a de Polignac number, because 3967771 - 2⁹ = 3967259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3967741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3550 + ... + 4531.

It is an arithmetic number, because the mean of its divisors is an integer number (994086).

Almost surely, 2^3967771 is an apocalyptic number.

3967771 is a deficient number, since it is larger than the sum of its proper divisors (8573).

3967771 is an equidigital number, since it uses as much as digits as its factorization.

3967771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8572.

The product of its digits is 55566, while the sum is 40.

The square root of 3967771 is about 1991.9264544656. The cubic root of 3967771 is about 158.3126187736.

The spelling of 3967771 in words is "three million, nine hundred sixty-seven thousand, seven hundred seventy-one".