2875805 has 16 divisors (see below), whose sum is σ = 3815424. Its totient is φ = 2069760.

The previous prime is 2875757. The next prime is 2875811. The reversal of 2875805 is 5085782.

2875805 = T₃₁₀ + T₃₁₁ + ... + T₃₆₀.

It is not a de Polignac number, because 2875805 - 2⁸ = 2875549 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220 + ... + 2690.

It is an arithmetic number, because the mean of its divisors is an integer number (238464).

2^2875805 is an apocalyptic number.

It is an amenable number.

2875805 is a deficient number, since it is larger than the sum of its proper divisors (939619).

2875805 is a wasteful number, since it uses less digits than its factorization.

2875805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 2875805 is about 1695.8198607163. The cubic root of 2875805 is about 142.2066191333.

The spelling of 2875805 in words is "two million, eight hundred seventy-five thousand, eight hundred five".