2868091 has 4 divisors (see below), whose sum is σ = 2872800. Its totient is φ = 2863384.

The previous prime is 2868083. The next prime is 2868109. The reversal of 2868091 is 1908682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2868091 - 2³ = 2868083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2868001) 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, 1276 + ... + 2713.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

2^2868091 is an apocalyptic number.

2868091 is a deficient number, since it is larger than the sum of its proper divisors (4709).

2868091 is an equidigital number, since it uses as much as digits as its factorization.

2868091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2868091 is about 1693.5439173520. The cubic root of 2868091 is about 142.0793545744.

The spelling of 2868091 in words is "two million, eight hundred sixty-eight thousand, ninety-one".