4138339 has 4 divisors (see below), whose sum is σ = 4250224. Its totient is φ = 4026456.

The previous prime is 4138331. The next prime is 4138349. The reversal of 4138339 is 9338314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9338314 = 2 ⋅4669157.

It is a cyclic number.

It is not a de Polignac number, because 4138339 - 2³ = 4138331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4138339.

It is not an unprimeable number, because it can be changed into a prime (4138331) 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 3 ways as a sum of consecutive naturals, for example, 55887 + ... + 55960.

It is an arithmetic number, because the mean of its divisors is an integer number (1062556).

Almost surely, 2^4138339 is an apocalyptic number.

4138339 is a deficient number, since it is larger than the sum of its proper divisors (111885).

4138339 is a wasteful number, since it uses less digits than its factorization.

4138339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111884.

The product of its digits is 7776, while the sum is 31.

The square root of 4138339 is about 2034.2907855073. The cubic root of 4138339 is about 160.5494003983.

The spelling of 4138339 in words is "four million, one hundred thirty-eight thousand, three hundred thirty-nine".