2788885 has 8 divisors (see below), whose sum is σ = 3650976. Its totient is φ = 2028240.

The previous prime is 2788831. The next prime is 2788889. The reversal of 2788885 is 5888872.

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

It is not a de Polignac number, because 2788885 - 2¹³ = 2780693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788889) 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, 25299 + ... + 25408.

It is an arithmetic number, because the mean of its divisors is an integer number (456372).

2^2788885 is an apocalyptic number.

It is an amenable number.

2788885 is a deficient number, since it is larger than the sum of its proper divisors (862091).

2788885 is a wasteful number, since it uses less digits than its factorization.

2788885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50723.

The product of its digits is 286720, while the sum is 46.

The square root of 2788885 is about 1669.9955089760. The cubic root of 2788885 is about 140.7592255867.

It can be divided in two parts, 2 and 788885, that added together give a palindrome (788887).

The spelling of 2788885 in words is "two million, seven hundred eighty-eight thousand, eight hundred eighty-five".