2788895 has 4 divisors (see below), whose sum is σ = 3346680. Its totient is φ = 2231112.

The previous prime is 2788889. The next prime is 2788927. The reversal of 2788895 is 5988872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2788895 - 2⁶ = 2788831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278885 + ... + 278894.

It is an arithmetic number, because the mean of its divisors is an integer number (836670).

2^2788895 is an apocalyptic number.

2788895 is a deficient number, since it is larger than the sum of its proper divisors (557785).

2788895 is an equidigital number, since it uses as much as digits as its factorization.

2788895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557784.

The product of its digits is 322560, while the sum is 47.

The square root of 2788895 is about 1669.9985029933. The cubic root of 2788895 is about 140.7593938249.

The spelling of 2788895 in words is "two million, seven hundred eighty-eight thousand, eight hundred ninety-five".