2864851 has 4 divisors (see below), whose sum is σ = 3125304. Its totient is φ = 2604400.

The previous prime is 2864843. The next prime is 2864867. The reversal of 2864851 is 1584682.

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 2864851 - 2³ = 2864843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2864831) 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, 130210 + ... + 130231.

It is an arithmetic number, because the mean of its divisors is an integer number (781326).

2^2864851 is an apocalyptic number.

2864851 is a deficient number, since it is larger than the sum of its proper divisors (260453).

2864851 is a wasteful number, since it uses less digits than its factorization.

2864851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260452.

The product of its digits is 15360, while the sum is 34.

The square root of 2864851 is about 1692.5870730925. The cubic root of 2864851 is about 142.0258334273.

The spelling of 2864851 in words is "two million, eight hundred sixty-four thousand, eight hundred fifty-one".