2873 has 6 divisors (see below), whose sum is σ = 3294. Its totient is φ = 2496.
The previous prime is 2861. The next prime is 2879. The reversal of 2873 is 3782.
It can be written as a sum of positive squares in 3 ways, for example, as 64 + 2809 = 8^2 + 53^2 .
It is not a de Polignac number, because 2873 - 24 = 2857 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (2879) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161 + ... + 177.
It is an arithmetic number, because the mean of its divisors is an integer number (549).
It is an amenable number.
2873 is a deficient number, since it is larger than the sum of its proper divisors (421).
2873 is a wasteful number, since it uses less digits than its factorization.
2873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43 (or 30 counting only the distinct ones).
The product of its digits is 336, while the sum is 20.
The square root of 2873 is about 53.6003731330. The cubic root of 2873 is about 14.2160368973.
Subtracting 2873 from its reverse (3782), we obtain a palindrome (909).
It can be divided in two parts, 287 and 3, that multiplied together give a triangular number (861 = T41).
The spelling of 2873 in words is "two thousand, eight hundred seventy-three".
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