4085659 has 2 divisors, whose sum is σ = 4085660. Its totient is φ = 4085658.

The previous prime is 4085657. The next prime is 4085677. The reversal of 4085659 is 9565804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4085659 - 2¹ = 4085657 is a prime.

Together with 4085657, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4085657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2042829 + 2042830.

It is an arithmetic number, because the mean of its divisors is an integer number (2042830).

Almost surely, 2^4085659 is an apocalyptic number.

4085659 is a deficient number, since it is larger than the sum of its proper divisors (1).

4085659 is an equidigital number, since it uses as much as digits as its factorization.

4085659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 4085659 is about 2021.3013135107. The cubic root of 4085659 is about 159.8652380895.

The spelling of 4085659 in words is "four million, eighty-five thousand, six hundred fifty-nine".