2110989 has 4 divisors (see below), whose sum is σ = 2814656. Its totient is φ = 1407324.

The previous prime is 2110981. The next prime is 2111023. The reversal of 2110989 is 9890112.

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 not a de Polignac number, because 2110989 - 2³ = 2110981 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110981) 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, 351829 + ... + 351834.

It is an arithmetic number, because the mean of its divisors is an integer number (703664).

2^2110989 is an apocalyptic number.

It is an amenable number.

2110989 is a deficient number, since it is larger than the sum of its proper divisors (703667).

2110989 is an equidigital number, since it uses as much as digits as its factorization.

2110989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703666.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 2110989 is about 1452.9242925906. The cubic root of 2110989 is about 128.2808976015.

The spelling of 2110989 in words is "two million, one hundred ten thousand, nine hundred eighty-nine".