816286829 has 2 divisors, whose sum is σ = 816286830. Its totient is φ = 816286828.

The previous prime is 816286819. The next prime is 816286871. The reversal of 816286829 is 928682618.

816286829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 584333929 + 231952900 = 24173^2 + 15230^2 .

It is a cyclic number.

It is not a de Polignac number, because 816286829 - 2¹⁶ = 816221293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (816286819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408143414 + 408143415.

It is an arithmetic number, because the mean of its divisors is an integer number (408143415).

Almost surely, 2^816286829 is an apocalyptic number.

It is an amenable number.

816286829 is a deficient number, since it is larger than the sum of its proper divisors (1).

816286829 is an equidigital number, since it uses as much as digits as its factorization.

816286829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 50.

The square root of 816286829 is about 28570.7337847665. The cubic root of 816286829 is about 934.5752229899.

The spelling of 816286829 in words is "eight hundred sixteen million, two hundred eighty-six thousand, eight hundred twenty-nine".