2881773 has 12 divisors (see below), whose sum is σ = 4206748. Its totient is φ = 1900800.

The previous prime is 2881733. The next prime is 2881783. The reversal of 2881773 is 3771882.

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 1954404 = 963^2 + 1398^2 .

It is not a de Polignac number, because 2881773 - 2⁶ = 2881709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 778 + ... + 2523.

2^2881773 is an apocalyptic number.

It is an amenable number.

2881773 is a deficient number, since it is larger than the sum of its proper divisors (1324975).

2881773 is a wasteful number, since it uses less digits than its factorization.

2881773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404 (or 3401 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 2881773 is about 1697.5785696103. The cubic root of 2881773 is about 142.3049223562.

The spelling of 2881773 in words is "two million, eight hundred eighty-one thousand, seven hundred seventy-three".