2310989 has 4 divisors (see below), whose sum is σ = 2432640. Its totient is φ = 2189340.

The previous prime is 2310977. The next prime is 2310991. The reversal of 2310989 is 9890132.

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 2310989 - 2⁸ = 2310733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2310289) 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, 60797 + ... + 60834.

It is an arithmetic number, because the mean of its divisors is an integer number (608160).

2^2310989 is an apocalyptic number.

It is an amenable number.

2310989 is a deficient number, since it is larger than the sum of its proper divisors (121651).

2310989 is a wasteful number, since it uses less digits than its factorization.

2310989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121650.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2310989 is about 1520.1937376532. The cubic root of 2310989 is about 132.2105035816.

The spelling of 2310989 in words is "two million, three hundred ten thousand, nine hundred eighty-nine".