2868911 has 4 divisors (see below), whose sum is σ = 2883672. Its totient is φ = 2854152.

The previous prime is 2868871. The next prime is 2868919. The reversal of 2868911 is 1198682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1198682 = 2 ⋅599341.

It is a cyclic number.

It is not a de Polignac number, because 2868911 - 2¹⁸ = 2606767 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868919) 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, 7085 + ... + 7478.

It is an arithmetic number, because the mean of its divisors is an integer number (720918).

2^2868911 is an apocalyptic number.

2868911 is a deficient number, since it is larger than the sum of its proper divisors (14761).

2868911 is a wasteful number, since it uses less digits than its factorization.

2868911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14760.

The product of its digits is 6912, while the sum is 35.

The square root of 2868911 is about 1693.7859959275. The cubic root of 2868911 is about 142.0928936578.

The spelling of 2868911 in words is "two million, eight hundred sixty-eight thousand, nine hundred eleven".