2782873 has 8 divisors (see below), whose sum is σ = 2952000. Its totient is φ = 2616048.

The previous prime is 2782861. The next prime is 2782877. The reversal of 2782873 is 3782872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2782873 - 2⁵ = 2782841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2782877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340 + ... + 3322.

It is an arithmetic number, because the mean of its divisors is an integer number (369000).

2^2782873 is an apocalyptic number.

It is an amenable number.

2782873 is a deficient number, since it is larger than the sum of its proper divisors (169127).

2782873 is a wasteful number, since it uses less digits than its factorization.

2782873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151.

The product of its digits is 37632, while the sum is 37.

The square root of 2782873 is about 1668.1945330207. The cubic root of 2782873 is about 140.6580079225.

Subtracting 2782873 from its reverse (3782872), we obtain a palindrome (999999).

It can be divided in two parts, 2782 and 873, that added together give a triangular number (3655 = T₈₅).

The spelling of 2782873 in words is "two million, seven hundred eighty-two thousand, eight hundred seventy-three".