828098399 has 2 divisors, whose sum is σ = 828098400. Its totient is φ = 828098398.

The previous prime is 828098389. The next prime is 828098483. The reversal of 828098399 is 993890828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 828098399 - 2¹² = 828094303 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828098309) 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, 414049199 + 414049200.

It is an arithmetic number, because the mean of its divisors is an integer number (414049200).

Almost surely, 2^828098399 is an apocalyptic number.

828098399 is a deficient number, since it is larger than the sum of its proper divisors (1).

828098399 is an equidigital number, since it uses as much as digits as its factorization.

828098399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 56.

The square root of 828098399 is about 28776.6988899005. The cubic root of 828098399 is about 939.0613835085.

The spelling of 828098399 in words is "eight hundred twenty-eight million, ninety-eight thousand, three hundred ninety-nine".