2889989 has 4 divisors (see below), whose sum is σ = 2909280. Its totient is φ = 2870700.

The previous prime is 2889979. The next prime is 2890001. The reversal of 2889989 is 9899882.

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 2889989 - 2¹² = 2885893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2889989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889979) 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, 9419 + ... + 9720.

It is an arithmetic number, because the mean of its divisors is an integer number (727320).

2^2889989 is an apocalyptic number.

It is an amenable number.

2889989 is a deficient number, since it is larger than the sum of its proper divisors (19291).

2889989 is a wasteful number, since it uses less digits than its factorization.

2889989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19290.

The product of its digits is 746496, while the sum is 53.

The square root of 2889989 is about 1699.9967647028. The cubic root of 2889989 is about 142.4400322211.

The spelling of 2889989 in words is "two million, eight hundred eighty-nine thousand, nine hundred eighty-nine".