2868811 has 8 divisors (see below), whose sum is σ = 3206448. Its totient is φ = 2544000.

The previous prime is 2868809. The next prime is 2868823. The reversal of 2868811 is 1188682.

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 2868811 - 2¹ = 2868809 is a prime.

It is a Duffinian number.

2868811 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2868851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2730 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (400806).

2^2868811 is an apocalyptic number.

2868811 is a deficient number, since it is larger than the sum of its proper divisors (337637).

2868811 is a wasteful number, since it uses less digits than its factorization.

2868811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413.

The product of its digits is 6144, while the sum is 34.

The square root of 2868811 is about 1693.7564760024. The cubic root of 2868811 is about 142.0912426882.

The spelling of 2868811 in words is "two million, eight hundred sixty-eight thousand, eight hundred eleven".