4138005 has 16 divisors (see below), whose sum is σ = 6713280. Its totient is φ = 2176128.

The previous prime is 4137997. The next prime is 4138033. The reversal of 4138005 is 5008314.

4138005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4138005 - 2³ = 4137997 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 795 + ... + 2984.

It is an arithmetic number, because the mean of its divisors is an integer number (419580).

Almost surely, 2^4138005 is an apocalyptic number.

It is an amenable number.

4138005 is a deficient number, since it is larger than the sum of its proper divisors (2575275).

4138005 is a wasteful number, since it uses less digits than its factorization.

4138005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 4138005 is about 2034.2086913589. The cubic root of 4138005 is about 160.5450810371.

The spelling of 4138005 in words is "four million, one hundred thirty-eight thousand, five".