816004829 has 2 divisors, whose sum is σ = 816004830. Its totient is φ = 816004828.

The previous prime is 816004823. The next prime is 816004841. The reversal of 816004829 is 928400618.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 709956025 + 106048804 = 26645^2 + 10298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-816004829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 816004792 and 816004801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (816004823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408002414 + 408002415.

It is an arithmetic number, because the mean of its divisors is an integer number (408002415).

Almost surely, 2^816004829 is an apocalyptic number.

It is an amenable number.

816004829 is a deficient number, since it is larger than the sum of its proper divisors (1).

816004829 is an equidigital number, since it uses as much as digits as its factorization.

816004829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 816004829 is about 28565.7982384529. The cubic root of 816004829 is about 934.4675890233.

The spelling of 816004829 in words is "eight hundred sixteen million, four thousand, eight hundred twenty-nine".