3666871 has 8 divisors (see below), whose sum is σ = 3981824. Its totient is φ = 3356640.

The previous prime is 3666853. The next prime is 3666877. The reversal of 3666871 is 1786663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3666871 - 2⁷ = 3666743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3666871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (497728).

Almost surely, 2^3666871 is an apocalyptic number.

3666871 is a deficient number, since it is larger than the sum of its proper divisors (314953).

3666871 is a wasteful number, since it uses less digits than its factorization.

3666871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361.

The product of its digits is 36288, while the sum is 37.

The square root of 3666871 is about 1914.9075695709. The cubic root of 3666871 is about 154.2050313416.

The spelling of 3666871 in words is "three million, six hundred sixty-six thousand, eight hundred seventy-one".