2394509 has 8 divisors (see below), whose sum is σ = 2634240. Its totient is φ = 2162736.

The previous prime is 2394503. The next prime is 2394527. The reversal of 2394509 is 9054932.

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 2394509 - 2¹⁶ = 2328973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2394503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349 + ... + 2570.

It is an arithmetic number, because the mean of its divisors is an integer number (329280).

2^2394509 is an apocalyptic number.

It is an amenable number.

2394509 is a deficient number, since it is larger than the sum of its proper divisors (239731).

2394509 is a wasteful number, since it uses less digits than its factorization.

2394509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 2394509 is about 1547.4201110235. The cubic root of 2394509 is about 133.7844049262.

The spelling of 2394509 in words is "two million, three hundred ninety-four thousand, five hundred nine".