2798787 has 8 divisors (see below), whose sum is σ = 3742480. Its totient is φ = 1860480.

The previous prime is 2798777. The next prime is 2798821. The reversal of 2798787 is 7878972.

2798787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2798787 - 2¹⁸ = 2536643 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2798707) 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 7 ways as a sum of consecutive naturals, for example, 87 + ... + 2367.

It is an arithmetic number, because the mean of its divisors is an integer number (467810).

2^2798787 is an apocalyptic number.

2798787 is a deficient number, since it is larger than the sum of its proper divisors (943693).

2798787 is a wasteful number, since it uses less digits than its factorization.

2798787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693.

The product of its digits is 395136, while the sum is 48.

The square root of 2798787 is about 1672.9575607289. The cubic root of 2798787 is about 140.9256184316.

The spelling of 2798787 in words is "two million, seven hundred ninety-eight thousand, seven hundred eighty-seven".