2404609 has 8 divisors (see below), whose sum is σ = 2483712. Its totient is φ = 2326560.

The previous prime is 2404543. The next prime is 2404613. The reversal of 2404609 is 9064042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2404609 - 2¹⁹ = 1880321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2404669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9012 + ... + 9274.

It is an arithmetic number, because the mean of its divisors is an integer number (310464).

2^2404609 is an apocalyptic number.

It is an amenable number.

2404609 is a deficient number, since it is larger than the sum of its proper divisors (79103).

2404609 is a wasteful number, since it uses less digits than its factorization.

2404609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2404609 is about 1550.6801733433. The cubic root of 2404609 is about 133.9722412241.

The spelling of 2404609 in words is "two million, four hundred four thousand, six hundred nine".