2824865 has 4 divisors (see below), whose sum is σ = 3389844. Its totient is φ = 2259888.

The previous prime is 2824853. The next prime is 2824879. The reversal of 2824865 is 5684282.

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 394384 + 2430481 = 628^2 + 1559^2 .

It is a cyclic number.

It is not a de Polignac number, because 2824865 - 2⁸ = 2824609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282482 + ... + 282491.

It is an arithmetic number, because the mean of its divisors is an integer number (847461).

2^2824865 is an apocalyptic number.

It is an amenable number.

2824865 is a deficient number, since it is larger than the sum of its proper divisors (564979).

2824865 is an equidigital number, since it uses as much as digits as its factorization.

2824865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564978.

The product of its digits is 30720, while the sum is 35.

The square root of 2824865 is about 1680.7334708394. The cubic root of 2824865 is about 141.3619625511.

The spelling of 2824865 in words is "two million, eight hundred twenty-four thousand, eight hundred sixty-five".