4011009 has 4 divisors (see below), whose sum is σ = 5348016. Its totient is φ = 2674004.

The previous prime is 4010977. The next prime is 4011011. The reversal of 4011009 is 9001104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4011009 - 2⁵ = 4010977 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4011209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668499 + ... + 668504.

It is an arithmetic number, because the mean of its divisors is an integer number (1337004).

Almost surely, 2^4011009 is an apocalyptic number.

It is an amenable number.

4011009 is a deficient number, since it is larger than the sum of its proper divisors (1337007).

4011009 is a wasteful number, since it uses less digits than its factorization.

4011009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337006.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 4011009 is about 2002.7503588815. The cubic root of 4011009 is about 158.8856026148.

The spelling of 4011009 in words is "four million, eleven thousand, nine".