6040009 has 4 divisors (see below), whose sum is σ = 6234880. Its totient is φ = 5845140.

The previous prime is 6039977. The next prime is 6040019. The reversal of 6040009 is 9000406.

It is a happy number.

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 6040009 - 2⁵ = 6039977 is a prime.

It is a Duffinian number.

6040009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6040019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97389 + ... + 97450.

It is an arithmetic number, because the mean of its divisors is an integer number (1558720).

Almost surely, 2^6040009 is an apocalyptic number.

It is an amenable number.

6040009 is a deficient number, since it is larger than the sum of its proper divisors (194871).

6040009 is a wasteful number, since it uses less digits than its factorization.

6040009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194870.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 6040009 is about 2457.6429765123. The cubic root of 6040009 is about 182.1150602791.

The spelling of 6040009 in words is "six million, forty thousand, nine".