4084139 has 2 divisors, whose sum is σ = 4084140. Its totient is φ = 4084138.

The previous prime is 4084109. The next prime is 4084141. The reversal of 4084139 is 9314804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4084139 - 2⁸ = 4083883 is a prime.

Together with 4084141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4084109) 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 as a sum of consecutive naturals, namely, 2042069 + 2042070.

It is an arithmetic number, because the mean of its divisors is an integer number (2042070).

Almost surely, 2^4084139 is an apocalyptic number.

4084139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4084139 is an equidigital number, since it uses as much as digits as its factorization.

4084139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4084139 is about 2020.9252831315. The cubic root of 4084139 is about 159.8454105821.

The spelling of 4084139 in words is "four million, eighty-four thousand, one hundred thirty-nine".