2888689 has 4 divisors (see below), whose sum is σ = 2894320. Its totient is φ = 2883060.

The previous prime is 2888671. The next prime is 2888693. The reversal of 2888689 is 9868882.

2888689 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, and also an emirpimes, since its reverse is a distinct semiprime: 9868882 = 2 ⋅4934441.

It is a cyclic number.

It is not a de Polignac number, because 2888689 - 2¹⁷ = 2757617 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 8² + 8⁴ + 8⁶ + 6³ + 8⁷ + 9³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2888629) 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, 1959 + ... + 3100.

It is an arithmetic number, because the mean of its divisors is an integer number (723580).

2^2888689 is an apocalyptic number.

It is an amenable number.

2888689 is a deficient number, since it is larger than the sum of its proper divisors (5631).

2888689 is an equidigital number, since it uses as much as digits as its factorization.

2888689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630.

The product of its digits is 442368, while the sum is 49.

The square root of 2888689 is about 1699.6143680259. The cubic root of 2888689 is about 142.4186711462.

The spelling of 2888689 in words is "two million, eight hundred eighty-eight thousand, six hundred eighty-nine".