99728353 has 2 divisors, whose sum is σ = 99728354. Its totient is φ = 99728352.

The previous prime is 99728329. The next prime is 99728371. The reversal of 99728353 is 35382799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98069409 + 1658944 = 9903^2 + 1288^2 .

It is an emirp because it is prime and its reverse (35382799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99728353 - 2⁹ = 99727841 is a prime.

It is not a weakly prime, because it can be changed into another prime (99728383) 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, 49864176 + 49864177.

It is an arithmetic number, because the mean of its divisors is an integer number (49864177).

Almost surely, 2^99728353 is an apocalyptic number.

It is an amenable number.

99728353 is a deficient number, since it is larger than the sum of its proper divisors (1).

99728353 is an equidigital number, since it uses as much as digits as its factorization.

99728353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 46.

The square root of 99728353 is about 9986.4084134387. The cubic root of 99728353 is about 463.7382109891.

The spelling of 99728353 in words is "ninety-nine million, seven hundred twenty-eight thousand, three hundred fifty-three".