99793193 has 2 divisors, whose sum is σ = 99793194. Its totient is φ = 99793192.

The previous prime is 99793189. The next prime is 99793231. The reversal of 99793193 is 39139799.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76877824 + 22915369 = 8768^2 + 4787^2 .

It is an emirp because it is prime and its reverse (39139799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99793193 - 2² = 99793189 is a prime.

It is not a weakly prime, because it can be changed into another prime (99793103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49896596 + 49896597.

It is an arithmetic number, because the mean of its divisors is an integer number (49896597).

Almost surely, 2^99793193 is an apocalyptic number.

It is an amenable number.

99793193 is a deficient number, since it is larger than the sum of its proper divisors (1).

99793193 is an equidigital number, since it uses as much as digits as its factorization.

99793193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 413343, while the sum is 50.

The square root of 99793193 is about 9989.6542983228. The cubic root of 99793193 is about 463.8386915127.

The spelling of 99793193 in words is "ninety-nine million, seven hundred ninety-three thousand, one hundred ninety-three".