4066186 has 4 divisors (see below), whose sum is σ = 6099282. Its totient is φ = 2033092.

The previous prime is 4066151. The next prime is 4066187. The reversal of 4066186 is 6816604.

4066186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3876961 + 189225 = 1969^2 + 435^2 .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (4066187) 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 as a sum of consecutive naturals, namely, 1016545 + ... + 1016548.

Almost surely, 2^4066186 is an apocalyptic number.

4066186 is a deficient number, since it is larger than the sum of its proper divisors (2033096).

4066186 is a wasteful number, since it uses less digits than its factorization.

4066186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033095.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 4066186 is about 2016.4786138216. The cubic root of 4066186 is about 159.6108511622.

The spelling of 4066186 in words is "four million, sixty-six thousand, one hundred eighty-six".