3666173 has 8 divisors (see below), whose sum is σ = 4252992. Its totient is φ = 3095136.

The previous prime is 3666167. The next prime is 3666197. The reversal of 3666173 is 3716663.

It is a happy number.

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 3666173 - 2¹² = 3662077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3440 + ... + 4377.

It is an arithmetic number, because the mean of its divisors is an integer number (531624).

Almost surely, 2^3666173 is an apocalyptic number.

It is an amenable number.

3666173 is a deficient number, since it is larger than the sum of its proper divisors (586819).

3666173 is an equidigital number, since it uses as much as digits as its factorization.

3666173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7891.

The product of its digits is 13608, while the sum is 32.

The square root of 3666173 is about 1914.7253066693. The cubic root of 3666173 is about 154.1952462558.

The spelling of 3666173 in words is "three million, six hundred sixty-six thousand, one hundred seventy-three".