4138066 has 12 divisors (see below), whose sum is σ = 6416766. Its totient is φ = 2001360.

The previous prime is 4138051. The next prime is 4138073. The reversal of 4138066 is 6608314.

4138066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4060225 + 77841 = 2015^2 + 279^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 846 + ... + 2998.

Almost surely, 2^4138066 is an apocalyptic number.

4138066 is a deficient number, since it is larger than the sum of its proper divisors (2278700).

4138066 is a wasteful number, since it uses less digits than its factorization.

4138066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4138066 is about 2034.2236848488. The cubic root of 4138066 is about 160.5458699198.

The spelling of 4138066 in words is "four million, one hundred thirty-eight thousand, sixty-six".