2788795 has 4 divisors (see below), whose sum is σ = 3346560. Its totient is φ = 2231032.

The previous prime is 2788783. The next prime is 2788813. The reversal of 2788795 is 5978872.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2788795 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 278875 + ... + 278884.

It is an arithmetic number, because the mean of its divisors is an integer number (836640).

2^2788795 is an apocalyptic number.

2788795 is a deficient number, since it is larger than the sum of its proper divisors (557765).

2788795 is an equidigital number, since it uses as much as digits as its factorization.

2788795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557764.

The product of its digits is 282240, while the sum is 46.

The square root of 2788795 is about 1669.9685625783. The cubic root of 2788795 is about 140.7577114252.

The spelling of 2788795 in words is "two million, seven hundred eighty-eight thousand, seven hundred ninety-five".