2804851 has 16 divisors (see below), whose sum is σ = 3407040. Its totient is φ = 2257920.

The previous prime is 2804843. The next prime is 2804861. The reversal of 2804851 is 1584082.

2804851 = 630² + 631² + ... + 636².

It is not a de Polignac number, because 2804851 - 2³ = 2804843 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2804831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8155 + ... + 8491.

It is an arithmetic number, because the mean of its divisors is an integer number (212940).

2^2804851 is an apocalyptic number.

2804851 is a deficient number, since it is larger than the sum of its proper divisors (602189).

2804851 is a wasteful number, since it uses less digits than its factorization.

2804851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 2804851 is about 1674.7689392868. The cubic root of 2804851 is about 141.0273239805.

It can be divided in two parts, 2804 and 851, that added together give a triangular number (3655 = T₈₅).

The spelling of 2804851 in words is "two million, eight hundred four thousand, eight hundred fifty-one".