99383689 has 2 divisors, whose sum is σ = 99383690. Its totient is φ = 99383688.

The previous prime is 99383653. The next prime is 99383761. The reversal of 99383689 is 98638399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59907600 + 39476089 = 7740^2 + 6283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99383689 is a prime.

It is not a weakly prime, because it can be changed into another prime (99383629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49691844 + 49691845.

It is an arithmetic number, because the mean of its divisors is an integer number (49691845).

Almost surely, 2^99383689 is an apocalyptic number.

It is an amenable number.

99383689 is a deficient number, since it is larger than the sum of its proper divisors (1).

99383689 is an equidigital number, since it uses as much as digits as its factorization.

99383689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 55.

The square root of 99383689 is about 9969.1368232159. The cubic root of 99383689 is about 463.2033635881.

The spelling of 99383689 in words is "ninety-nine million, three hundred eighty-three thousand, six hundred eighty-nine".