2868705 has 36 divisors (see below), whose sum is σ = 5788692. Its totient is φ = 1310400.

The previous prime is 2868689. The next prime is 2868707. The reversal of 2868705 is 5078682.

It can be written as a sum of positive squares in 2 ways, for example, as 321489 + 2547216 = 567^2 + 1596^2 .

It is not a de Polignac number, because 2868705 - 2⁴ = 2868689 is a prime.

2868705 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2868705.

It is not an unprimeable number, because it can be changed into a prime (2868707) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1555 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (160797).

2^2868705 is an apocalyptic number.

It is an amenable number.

2868705 is an abundant number, since it is smaller than the sum of its proper divisors (2919987).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2868705 is a wasteful number, since it uses less digits than its factorization.

2868705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2868705 is about 1693.7251843201. The cubic root of 2868705 is about 142.0894926185.

The spelling of 2868705 in words is "two million, eight hundred sixty-eight thousand, seven hundred five".