99849593 has 2 divisors, whose sum is σ = 99849594. Its totient is φ = 99849592.

The previous prime is 99849553. The next prime is 99849599. The reversal of 99849593 is 39594899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97456384 + 2393209 = 9872^2 + 1547^2 .

It is an emirp because it is prime and its reverse (39594899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99849593 - 2¹² = 99845497 is a prime.

It is not a weakly prime, because it can be changed into another prime (99849599) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49924796 + 49924797.

It is an arithmetic number, because the mean of its divisors is an integer number (49924797).

Almost surely, 2^99849593 is an apocalyptic number.

It is an amenable number.

99849593 is a deficient number, since it is larger than the sum of its proper divisors (1).

99849593 is an equidigital number, since it uses as much as digits as its factorization.

99849593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3149280, while the sum is 56.

The square root of 99849593 is about 9992.4768200882. The cubic root of 99849593 is about 463.9260574428.

The spelling of 99849593 in words is "ninety-nine million, eight hundred forty-nine thousand, five hundred ninety-three".