2289611 has 4 divisors (see below), whose sum is σ = 2424312. Its totient is φ = 2154912.

The previous prime is 2289601. The next prime is 2289641. The reversal of 2289611 is 1169822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1169822 = 2 ⋅584911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2289611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2289601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67325 + ... + 67358.

It is an arithmetic number, because the mean of its divisors is an integer number (606078).

2^2289611 is an apocalyptic number.

2289611 is a deficient number, since it is larger than the sum of its proper divisors (134701).

2289611 is a wasteful number, since it uses less digits than its factorization.

2289611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134700.

The product of its digits is 1728, while the sum is 29.

The square root of 2289611 is about 1513.1460603656. The cubic root of 2289611 is about 131.8015651738.

The spelling of 2289611 in words is "two million, two hundred eighty-nine thousand, six hundred eleven".