3845666 has 16 divisors (see below), whose sum is σ = 6389280. Its totient is φ = 1721280.

The previous prime is 3845663. The next prime is 3845693. The reversal of 3845666 is 6665483.

3845666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3845663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (399330).

Almost surely, 2^3845666 is an apocalyptic number.

3845666 is a deficient number, since it is larger than the sum of its proper divisors (2543614).

3845666 is a wasteful number, since it uses less digits than its factorization.

3845666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689.

The product of its digits is 103680, while the sum is 38.

The square root of 3845666 is about 1961.0369705847. The cubic root of 3845666 is about 156.6716873800.

The spelling of 3845666 in words is "three million, eight hundred forty-five thousand, six hundred sixty-six".