2998889 has 4 divisors (see below), whose sum is σ = 3027024. Its totient is φ = 2970756.

The previous prime is 2998883. The next prime is 2998921. The reversal of 2998889 is 9888992.

2998889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-2998889 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 2998889.

It is not an unprimeable number, because it can be changed into a prime (2998883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13907 + ... + 14120.

It is an arithmetic number, because the mean of its divisors is an integer number (756756).

2^2998889 is an apocalyptic number.

It is an amenable number.

2998889 is a deficient number, since it is larger than the sum of its proper divisors (28135).

2998889 is a wasteful number, since it uses less digits than its factorization.

2998889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28134.

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

The square root of 2998889 is about 1731.7300597957. The cubic root of 2998889 is about 144.2071510628.

The spelling of 2998889 in words is "two million, nine hundred ninety-eight thousand, eight hundred eighty-nine".