6924009 has 4 divisors (see below), whose sum is σ = 9232016. Its totient is φ = 4616004.

The previous prime is 6923971. The next prime is 6924013. The reversal of 6924009 is 9004296.

6924009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 6924009 - 2⁸ = 6923753 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6924019) 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, 1153999 + ... + 1154004.

It is an arithmetic number, because the mean of its divisors is an integer number (2308004).

Almost surely, 2^6924009 is an apocalyptic number.

It is an amenable number.

6924009 is a deficient number, since it is larger than the sum of its proper divisors (2308007).

6924009 is a wasteful number, since it uses less digits than its factorization.

6924009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308006.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6924009 is about 2631.3511738269. The cubic root of 6924009 is about 190.5983812693.

The spelling of 6924009 in words is "six million, nine hundred twenty-four thousand, nine".