2788851 has 16 divisors (see below), whose sum is σ = 4100096. Its totient is φ = 1675296.

The previous prime is 2788831. The next prime is 2788889. The reversal of 2788851 is 1588872.

It is not a de Polignac number, because 2788851 - 2¹⁷ = 2657779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2788831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (256256).

2^2788851 is an apocalyptic number.

2788851 is a deficient number, since it is larger than the sum of its proper divisors (1311245).

2788851 is a wasteful number, since it uses less digits than its factorization.

2788851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722.

The product of its digits is 35840, while the sum is 39.

The square root of 2788851 is about 1669.9853292769. The cubic root of 2788851 is about 140.7586535740.

The spelling of 2788851 in words is "two million, seven hundred eighty-eight thousand, eight hundred fifty-one".