4086009 has 12 divisors (see below), whose sum is σ = 5958576. Its totient is φ = 2697912.

The previous prime is 4085993. The next prime is 4086011. The reversal of 4086009 is 9006804.

It is not a de Polignac number, because 4086009 - 2⁴ = 4085993 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4086059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1159 + ... + 3084.

It is an arithmetic number, because the mean of its divisors is an integer number (496548).

Almost surely, 2^4086009 is an apocalyptic number.

It is an amenable number.

4086009 is a deficient number, since it is larger than the sum of its proper divisors (1872567).

4086009 is a wasteful number, since it uses less digits than its factorization.

4086009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356 (or 4353 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 4086009 is about 2021.3878895452. The cubic root of 4086009 is about 159.8698029374.

The spelling of 4086009 in words is "four million, eighty-six thousand, nine".