2289009 has 16 divisors (see below), whose sum is σ = 3190784. Its totient is φ = 1458000.

The previous prime is 2288953. The next prime is 2289013. The reversal of 2289009 is 9009822.

It is not a de Polignac number, because 2289009 - 2¹¹ = 2286961 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2289059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13962 + ... + 14124.

It is an arithmetic number, because the mean of its divisors is an integer number (199424).

2^2289009 is an apocalyptic number.

It is an amenable number.

2289009 is a deficient number, since it is larger than the sum of its proper divisors (901775).

2289009 is a wasteful number, since it uses less digits than its factorization.

2289009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 2289009 is about 1512.9471239934. The cubic root of 2289009 is about 131.7900127752.

The spelling of 2289009 in words is "two million, two hundred eighty-nine thousand, nine".