4138305 has 16 divisors (see below), whose sum is σ = 6652800. Its totient is φ = 2196608.

The previous prime is 4138291. The next prime is 4138307. The reversal of 4138305 is 5038314.

4138305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4138305 - 2⁴ = 4138289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4138307) 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, 3421 + ... + 4469.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 2^4138305 is an apocalyptic number.

It is an amenable number.

4138305 is a deficient number, since it is larger than the sum of its proper divisors (2514495).

4138305 is a wasteful number, since it uses less digits than its factorization.

4138305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4138305 is about 2034.2824287694. The cubic root of 4138305 is about 160.5489607134.

Subtracting 4138305 from its reverse (5038314), we obtain a palindrome (900009).

The spelling of 4138305 in words is "four million, one hundred thirty-eight thousand, three hundred five".