4138859 has 4 divisors (see below), whose sum is σ = 4145904. Its totient is φ = 4131816.

The previous prime is 4138853. The next prime is 4138861. The reversal of 4138859 is 9588314.

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

It is a cyclic number.

It is not a de Polignac number, because 4138859 - 2⁴ = 4138843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4138853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2552 + ... + 3845.

It is an arithmetic number, because the mean of its divisors is an integer number (1036476).

Almost surely, 2^4138859 is an apocalyptic number.

4138859 is a deficient number, since it is larger than the sum of its proper divisors (7045).

4138859 is an equidigital number, since it uses as much as digits as its factorization.

4138859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044.

The product of its digits is 34560, while the sum is 38.

The square root of 4138859 is about 2034.4185901628. The cubic root of 4138859 is about 160.5561246896.

The spelling of 4138859 in words is "four million, one hundred thirty-eight thousand, eight hundred fifty-nine".