2868217 has 4 divisors (see below), whose sum is σ = 3128976. Its totient is φ = 2607460.

The previous prime is 2868211. The next prime is 2868251. The reversal of 2868217 is 7128682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2868217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2868211) 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, 130363 + ... + 130384.

It is an arithmetic number, because the mean of its divisors is an integer number (782244).

2^2868217 is an apocalyptic number.

It is an amenable number.

2868217 is a deficient number, since it is larger than the sum of its proper divisors (260759).

2868217 is a wasteful number, since it uses less digits than its factorization.

2868217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260758.

The product of its digits is 10752, while the sum is 34.

The square root of 2868217 is about 1693.5811170416. The cubic root of 2868217 is about 142.0814351379.

The spelling of 2868217 in words is "two million, eight hundred sixty-eight thousand, two hundred seventeen".