2788365 has 16 divisors (see below), whose sum is σ = 4487616. Its totient is φ = 1478400.

The previous prime is 2788349. The next prime is 2788367. The reversal of 2788365 is 5638872.

It is not a de Polignac number, because 2788365 - 2⁴ = 2788349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2725 + ... + 3605.

It is an arithmetic number, because the mean of its divisors is an integer number (280476).

2^2788365 is an apocalyptic number.

It is an amenable number.

2788365 is a deficient number, since it is larger than the sum of its proper divisors (1699251).

2788365 is a wasteful number, since it uses less digits than its factorization.

2788365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its digits is 80640, while the sum is 39.

The square root of 2788365 is about 1669.8398126767. The cubic root of 2788365 is about 140.7504766486.

The spelling of 2788365 in words is "two million, seven hundred eighty-eight thousand, three hundred sixty-five".