2873889 has 6 divisors (see below), whose sum is σ = 4151186. Its totient is φ = 1915920.

The previous prime is 2873887. The next prime is 2873891. The reversal of 2873889 is 9883782.

2873889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2873887) and next prime (2873891).

It can be written as a sum of positive squares in only one way, i.e., 2862864 + 11025 = 1692^2 + 105^2 .

It is not a de Polignac number, because 2873889 - 2¹ = 2873887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2873887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159652 + ... + 159669.

2^2873889 is an apocalyptic number.

It is an amenable number.

2873889 is a deficient number, since it is larger than the sum of its proper divisors (1277297).

2873889 is a wasteful number, since it uses less digits than its factorization.

2873889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319327 (or 319324 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 2873889 is about 1695.2548480981. The cubic root of 2873889 is about 142.1750304808.

The spelling of 2873889 in words is "two million, eight hundred seventy-three thousand, eight hundred eighty-nine".