2889565 has 8 divisors (see below), whose sum is σ = 3962880. Its totient is φ = 1981392.

The previous prime is 2889547. The next prime is 2889569. The reversal of 2889565 is 5659882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2889565 - 2⁷ = 2889437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41245 + ... + 41314.

It is an arithmetic number, because the mean of its divisors is an integer number (495360).

2^2889565 is an apocalyptic number.

It is an amenable number.

2889565 is a deficient number, since it is larger than the sum of its proper divisors (1073315).

2889565 is an equidigital number, since it uses as much as digits as its factorization.

2889565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82571.

The product of its digits is 172800, while the sum is 43.

The square root of 2889565 is about 1699.8720540088. The cubic root of 2889565 is about 142.4330659284.

The spelling of 2889565 in words is "two million, eight hundred eighty-nine thousand, five hundred sixty-five".