728814199 has 2 divisors, whose sum is σ = 728814200. Its totient is φ = 728814198.

The previous prime is 728814173. The next prime is 728814269. The reversal of 728814199 is 991418827.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728814199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728814169) 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, 364407099 + 364407100.

It is an arithmetic number, because the mean of its divisors is an integer number (364407100).

Almost surely, 2^728814199 is an apocalyptic number.

728814199 is a deficient number, since it is larger than the sum of its proper divisors (1).

728814199 is an equidigital number, since it uses as much as digits as its factorization.

728814199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 49.

The square root of 728814199 is about 26996.5590214753. The cubic root of 728814199 is about 899.9235321863.

The spelling of 728814199 in words is "seven hundred twenty-eight million, eight hundred fourteen thousand, one hundred ninety-nine".