2788829 has 2 divisors, whose sum is σ = 2788830. Its totient is φ = 2788828.

The previous prime is 2788823. The next prime is 2788831. The reversal of 2788829 is 9288872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2553604 + 235225 = 1598^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2788829 - 2⁴ = 2788813 is a prime.

Together with 2788831, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2788829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2788823) by changing a digit.

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 as a sum of consecutive naturals, namely, 1394414 + 1394415.

It is an arithmetic number, because the mean of its divisors is an integer number (1394415).

2^2788829 is an apocalyptic number.

It is an amenable number.

2788829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2788829 is an equidigital number, since it uses as much as digits as its factorization.

2788829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 44.

The square root of 2788829 is about 1669.9787423797. The cubic root of 2788829 is about 140.7582834456.

The spelling of 2788829 in words is "two million, seven hundred eighty-eight thousand, eight hundred twenty-nine".