2289317 has 4 divisors (see below), whose sum is σ = 2345196. Its totient is φ = 2233440.

The previous prime is 2289281. The next prime is 2289349. The reversal of 2289317 is 7139822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 729316 + 1560001 = 854^2 + 1249^2 .

It is a cyclic number.

It is not a de Polignac number, because 2289317 - 2¹² = 2285221 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 (2289817) 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, 27878 + ... + 27959.

It is an arithmetic number, because the mean of its divisors is an integer number (586299).

2^2289317 is an apocalyptic number.

It is an amenable number.

2289317 is a deficient number, since it is larger than the sum of its proper divisors (55879).

2289317 is an equidigital number, since it uses as much as digits as its factorization.

2289317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55878.

The product of its digits is 6048, while the sum is 32.

The square root of 2289317 is about 1513.0489086609. The cubic root of 2289317 is about 131.7959235577.

The spelling of 2289317 in words is "two million, two hundred eighty-nine thousand, three hundred seventeen".