3885666 has 32 divisors (see below), whose sum is σ = 8339328. Its totient is φ = 1203840.

The previous prime is 3885653. The next prime is 3885667. The reversal of 3885666 is 6665883.

3885666 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 (3885667) 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 15 ways as a sum of consecutive naturals, for example, 4726 + ... + 5486.

It is an arithmetic number, because the mean of its divisors is an integer number (260604).

Almost surely, 2^3885666 is an apocalyptic number.

3885666 is an abundant number, since it is smaller than the sum of its proper divisors (4453662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3885666 is a wasteful number, since it uses less digits than its factorization.

3885666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826.

The product of its digits is 207360, while the sum is 42.

The square root of 3885666 is about 1971.2092735171. The cubic root of 3885666 is about 157.2130122800.

The spelling of 3885666 in words is "three million, eight hundred eighty-five thousand, six hundred sixty-six".