2805873 has 16 divisors (see below), whose sum is σ = 4358016. Its totient is φ = 1572480.

The previous prime is 2805851. The next prime is 2805899. The reversal of 2805873 is 3785082.

It is not a de Polignac number, because 2805873 - 2⁶ = 2805809 is a prime.

2805873 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805773) 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, 148 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (272376).

2^2805873 is an apocalyptic number.

It is an amenable number.

2805873 is a deficient number, since it is larger than the sum of its proper divisors (1552143).

2805873 is a wasteful number, since it uses less digits than its factorization.

2805873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2805873 is about 1675.0740282149. The cubic root of 2805873 is about 141.0444505496.

The spelling of 2805873 in words is "two million, eight hundred five thousand, eight hundred seventy-three".