2319289 has 8 divisors (see below), whose sum is σ = 2660288. Its totient is φ = 1980720.

The previous prime is 2319287. The next prime is 2319299. The reversal of 2319289 is 9829132.

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

It is not a de Polignac number, because 2319289 - 2¹ = 2319287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2319287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2554 + ... + 3340.

It is an arithmetic number, because the mean of its divisors is an integer number (332536).

2^2319289 is an apocalyptic number.

It is an amenable number.

2319289 is a deficient number, since it is larger than the sum of its proper divisors (340999).

2319289 is an equidigital number, since it uses as much as digits as its factorization.

2319289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215.

The product of its digits is 7776, while the sum is 34.

The square root of 2319289 is about 1522.9212061036. The cubic root of 2319289 is about 132.3685940606.

The spelling of 2319289 in words is "two million, three hundred nineteen thousand, two hundred eighty-nine".