28834717 has 2 divisors, whose sum is σ = 28834718. Its totient is φ = 28834716.

The previous prime is 28834679. The next prime is 28834727. The reversal of 28834717 is 71743882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28451556 + 383161 = 5334^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 28834717 - 2¹¹ = 28832669 is a prime.

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 28834717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28834727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14417358 + 14417359.

It is an arithmetic number, because the mean of its divisors is an integer number (14417359).

Almost surely, 2^28834717 is an apocalyptic number.

It is an amenable number.

28834717 is a deficient number, since it is larger than the sum of its proper divisors (1).

28834717 is an equidigital number, since it uses as much as digits as its factorization.

28834717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 40.

The square root of 28834717 is about 5369.7967373077. The cubic root of 28834717 is about 306.6468900027.

The spelling of 28834717 in words is "twenty-eight million, eight hundred thirty-four thousand, seven hundred seventeen".