2898565 has 4 divisors (see below), whose sum is σ = 3478284. Its totient is φ = 2318848.

The previous prime is 2898559. The next prime is 2898569. The reversal of 2898565 is 5658982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1520289 + 1378276 = 1233^2 + 1174^2 .

It is a cyclic number.

It is not a de Polignac number, because 2898565 - 2³ = 2898557 is a prime.

It is a d-powerful number, because it can be written as 2 + 8⁶ + 9⁶ + 8⁷ + 5² + 6⁵ + 5² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2898569) 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, 289852 + ... + 289861.

It is an arithmetic number, because the mean of its divisors is an integer number (869571).

2^2898565 is an apocalyptic number.

It is an amenable number.

2898565 is a deficient number, since it is larger than the sum of its proper divisors (579719).

2898565 is an equidigital number, since it uses as much as digits as its factorization.

2898565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579718.

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

The square root of 2898565 is about 1702.5172539507. The cubic root of 2898565 is about 142.5807893172.

The spelling of 2898565 in words is "two million, eight hundred ninety-eight thousand, five hundred sixty-five".