2389209 has 8 divisors (see below), whose sum is σ = 3259872. Its totient is φ = 1555680.

The previous prime is 2389183. The next prime is 2389213. The reversal of 2389209 is 9029832.

2389209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2389209 - 2⁹ = 2388697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2389209.

It is not an unprimeable number, because it can be changed into a prime (2389249) 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 7 ways as a sum of consecutive naturals, for example, 9132 + ... + 9389.

It is an arithmetic number, because the mean of its divisors is an integer number (407484).

2^2389209 is an apocalyptic number.

It is an amenable number.

2389209 is a deficient number, since it is larger than the sum of its proper divisors (870663).

2389209 is a wasteful number, since it uses less digits than its factorization.

2389209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18567.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2389209 is about 1545.7066345203. The cubic root of 2389209 is about 133.6856259932.

The spelling of 2389209 in words is "two million, three hundred eighty-nine thousand, two hundred nine".