3967211 has 4 divisors (see below), whose sum is σ = 3972672. Its totient is φ = 3961752.

The previous prime is 3967207. The next prime is 3967231. The reversal of 3967211 is 1127693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3967211 - 2² = 3967207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3967231) 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, 1436 + ... + 3161.

It is an arithmetic number, because the mean of its divisors is an integer number (993168).

Almost surely, 2^3967211 is an apocalyptic number.

3967211 is a deficient number, since it is larger than the sum of its proper divisors (5461).

3967211 is an equidigital number, since it uses as much as digits as its factorization.

3967211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5460.

The product of its digits is 2268, while the sum is 29.

The square root of 3967211 is about 1991.7858820666. The cubic root of 3967211 is about 158.3051704911.

The spelling of 3967211 in words is "three million, nine hundred sixty-seven thousand, two hundred eleven".