3666206 has 8 divisors (see below), whose sum is σ = 5574864. Its totient is φ = 1807920.

The previous prime is 3666197. The next prime is 3666233. The reversal of 3666206 is 6026663.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12410 + ... + 12701.

It is an arithmetic number, because the mean of its divisors is an integer number (696858).

Almost surely, 2^3666206 is an apocalyptic number.

3666206 is a deficient number, since it is larger than the sum of its proper divisors (1908658).

3666206 is a wasteful number, since it uses less digits than its factorization.

3666206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25186.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 3666206 is about 1914.7339240740. The cubic root of 3666206 is about 154.1957089025.

The spelling of 3666206 in words is "three million, six hundred sixty-six thousand, two hundred six".