2888891 has 2 divisors, whose sum is σ = 2888892. Its totient is φ = 2888890.

The previous prime is 2888887. The next prime is 2888909. The reversal of 2888891 is 1988882.

2888891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2888891 - 2² = 2888887 is a prime.

It is not a weakly prime, because it can be changed into another prime (2888191) 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 as a sum of consecutive naturals, namely, 1444445 + 1444446.

It is an arithmetic number, because the mean of its divisors is an integer number (1444446).

2^2888891 is an apocalyptic number.

2888891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2888891 is an equidigital number, since it uses as much as digits as its factorization.

2888891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 44.

The square root of 2888891 is about 1699.6737922319. The cubic root of 2888891 is about 142.4219907491.

Subtracting from 2888891 its reverse (1988882), we obtain a palindrome (900009).

The spelling of 2888891 in words is "two million, eight hundred eighty-eight thousand, eight hundred ninety-one".