2409789 has 16 divisors (see below), whose sum is σ = 3438080. Its totient is φ = 1496880.

The previous prime is 2409769. The next prime is 2409791. The reversal of 2409789 is 9879042.

2409789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2409789 - 2¹⁵ = 2377021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409709) 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 15 ways as a sum of consecutive naturals, for example, 3504 + ... + 4134.

It is an arithmetic number, because the mean of its divisors is an integer number (214880).

2^2409789 is an apocalyptic number.

It is an amenable number.

2409789 is a deficient number, since it is larger than the sum of its proper divisors (1028291).

2409789 is a wasteful number, since it uses less digits than its factorization.

2409789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2409789 is about 1552.3495096144. The cubic root of 2409789 is about 134.0683730671.

The spelling of 2409789 in words is "two million, four hundred nine thousand, seven hundred eighty-nine".