3881166 has 16 divisors (see below), whose sum is σ = 7928064. Its totient is φ = 1266104.

The previous prime is 3881161. The next prime is 3881173. The reversal of 3881166 is 6611883.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6600 + ... + 7163.

It is an arithmetic number, because the mean of its divisors is an integer number (495504).

Almost surely, 2^3881166 is an apocalyptic number.

3881166 is an abundant number, since it is smaller than the sum of its proper divisors (4046898).

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

3881166 is a wasteful number, since it uses less digits than its factorization.

3881166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13815.

The product of its digits is 6912, while the sum is 33.

The square root of 3881166 is about 1970.0675115336. The cubic root of 3881166 is about 157.1522992359.

The spelling of 3881166 in words is "three million, eight hundred eighty-one thousand, one hundred sixty-six".