4085687 has 2 divisors, whose sum is σ = 4085688. Its totient is φ = 4085686.

The previous prime is 4085677. The next prime is 4085693. The reversal of 4085687 is 7865804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4085687 - 2⁶ = 4085623 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4085687.

It is a congruent number.

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, 2042843 + 2042844.

It is an arithmetic number, because the mean of its divisors is an integer number (2042844).

Almost surely, 2^4085687 is an apocalyptic number.

4085687 is a deficient number, since it is larger than the sum of its proper divisors (1).

4085687 is an equidigital number, since it uses as much as digits as its factorization.

4085687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 4085687 is about 2021.3082397299. The cubic root of 4085687 is about 159.8656032870.

The spelling of 4085687 in words is "four million, eighty-five thousand, six hundred eighty-seven".