2868865 has 8 divisors (see below), whose sum is σ = 3453120. Its totient is φ = 2288112.

The previous prime is 2868857. The next prime is 2868871. The reversal of 2868865 is 5688682.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2868865 - 2³ = 2868857 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542 + ... + 2848.

It is an arithmetic number, because the mean of its divisors is an integer number (431640).

2^2868865 is an apocalyptic number.

It is an amenable number.

2868865 is a deficient number, since it is larger than the sum of its proper divisors (584255).

2868865 is a wasteful number, since it uses less digits than its factorization.

2868865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its digits is 184320, while the sum is 43.

The square root of 2868865 is about 1693.7724168258. The cubic root of 2868865 is about 142.0921342165.

The spelling of 2868865 in words is "two million, eight hundred sixty-eight thousand, eight hundred sixty-five".