4085867 has 4 divisors (see below), whose sum is σ = 4101216. Its totient is φ = 4070520.

The previous prime is 4085857. The next prime is 4085891. The reversal of 4085867 is 7685804.

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 4085867 - 2⁶ = 4085803 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 4085867.

It is not an unprimeable number, because it can be changed into a prime (4085827) 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, 7268 + ... + 7809.

It is an arithmetic number, because the mean of its divisors is an integer number (1025304).

Almost surely, 2^4085867 is an apocalyptic number.

4085867 is a deficient number, since it is larger than the sum of its proper divisors (15349).

4085867 is a wasteful number, since it uses less digits than its factorization.

4085867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15348.

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

The square root of 4085867 is about 2021.3527648582. The cubic root of 4085867 is about 159.8679509449.

The spelling of 4085867 in words is "four million, eighty-five thousand, eight hundred sixty-seven".