2788653 has 24 divisors (see below), whose sum is σ = 4412352. Its totient is φ = 1534464.

The previous prime is 2788633. The next prime is 2788661. The reversal of 2788653 is 3568872.

2788653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2788653 - 2¹² = 2784557 is a prime.

Its product of digits (80640) is a multiple of the sum of its prime divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28701 + ... + 28797.

It is an arithmetic number, because the mean of its divisors is an integer number (183848).

2^2788653 is an apocalyptic number.

It is an amenable number.

2788653 is a deficient number, since it is larger than the sum of its proper divisors (1623699).

2788653 is an equidigital number, since it uses as much as digits as its factorization.

2788653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 144 counting only the distinct ones).

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

The square root of 2788653 is about 1669.9260462667. The cubic root of 2788653 is about 140.7553223487.

The spelling of 2788653 in words is "two million, seven hundred eighty-eight thousand, six hundred fifty-three".