3666171 has 4 divisors (see below), whose sum is σ = 4888232. Its totient is φ = 2444112.

The previous prime is 3666167. The next prime is 3666197. The reversal of 3666171 is 1716663.

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

It is not a de Polignac number, because 3666171 - 2² = 3666167 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3666121) 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, 611026 + ... + 611031.

It is an arithmetic number, because the mean of its divisors is an integer number (1222058).

Almost surely, 2^3666171 is an apocalyptic number.

3666171 is a deficient number, since it is larger than the sum of its proper divisors (1222061).

3666171 is a wasteful number, since it uses less digits than its factorization.

3666171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222060.

The product of its digits is 4536, while the sum is 30.

The square root of 3666171 is about 1914.7247844011. The cubic root of 3666171 is about 154.1952182165.

The spelling of 3666171 in words is "three million, six hundred sixty-six thousand, one hundred seventy-one".