2317889 has 4 divisors (see below), whose sum is σ = 2649024. Its totient is φ = 1986756.

The previous prime is 2317879. The next prime is 2317891. The reversal of 2317889 is 9887132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2317889 - 2⁴ = 2317873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2317879) 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, 165557 + ... + 165570.

It is an arithmetic number, because the mean of its divisors is an integer number (662256).

2^2317889 is an apocalyptic number.

It is an amenable number.

2317889 is a deficient number, since it is larger than the sum of its proper divisors (331135).

2317889 is an equidigital number, since it uses as much as digits as its factorization.

2317889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331134.

The product of its digits is 24192, while the sum is 38.

The square root of 2317889 is about 1522.4614937659. The cubic root of 2317889 is about 132.3419546707.

The spelling of 2317889 in words is "two million, three hundred seventeen thousand, eight hundred eighty-nine".