2788873 has 4 divisors (see below), whose sum is σ = 2792448. Its totient is φ = 2785300.

The previous prime is 2788831. The next prime is 2788889. The reversal of 2788873 is 3788872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2788873 - 2¹⁷ = 2657801 is a prime.

It is a super-2 number, since 2×2788873² = 15555625220258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2788813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61 + ... + 2362.

It is an arithmetic number, because the mean of its divisors is an integer number (698112).

2^2788873 is an apocalyptic number.

It is an amenable number.

2788873 is a deficient number, since it is larger than the sum of its proper divisors (3575).

2788873 is a wasteful number, since it uses less digits than its factorization.

2788873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574.

The product of its digits is 150528, while the sum is 43.

The square root of 2788873 is about 1669.9919161481. The cubic root of 2788873 is about 140.7590237004.

Subtracting 2788873 from its reverse (3788872), we obtain a palindrome (999999).

The spelling of 2788873 in words is "two million, seven hundred eighty-eight thousand, eight hundred seventy-three".