2788635 has 32 divisors (see below), whose sum is σ = 4769280. Its totient is φ = 1388288.

The previous prime is 2788633. The next prime is 2788661. The reversal of 2788635 is 5368872.

2788635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2788635 - 2¹ = 2788633 is a prime.

It is a d-powerful number, because it can be written as 2² + 7⁷ + 8² + 8⁴ + 6⁵ + 3³ + 5⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 2788593 and 2788602.

It is not an unprimeable number, because it can be changed into a prime (2788633) 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 31 ways as a sum of consecutive naturals, for example, 20287 + ... + 20423.

It is an arithmetic number, because the mean of its divisors is an integer number (149040).

2^2788635 is an apocalyptic number.

2788635 is a deficient number, since it is larger than the sum of its proper divisors (1980645).

2788635 is a wasteful number, since it uses less digits than its factorization.

2788635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227.

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

The square root of 2788635 is about 1669.9206567978. The cubic root of 2788635 is about 140.7550195022.

The spelling of 2788635 in words is "two million, seven hundred eighty-eight thousand, six hundred thirty-five".