99385517 has 16 divisors (see below), whose sum is σ = 126935424. Its totient is φ = 75552000.

The previous prime is 99385483. The next prime is 99385529. The reversal of 99385517 is 71558399.

It is a cyclic number.

It is not a de Polignac number, because 99385517 - 2⁶ = 99385453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99385537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12584 + ... + 18897.

It is an arithmetic number, because the mean of its divisors is an integer number (7933464).

Almost surely, 2^99385517 is an apocalyptic number.

It is an amenable number.

99385517 is a deficient number, since it is larger than the sum of its proper divisors (27549907).

99385517 is a wasteful number, since it uses less digits than its factorization.

99385517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31540.

The product of its digits is 340200, while the sum is 47.

The square root of 99385517 is about 9969.2285057571. The cubic root of 99385517 is about 463.2062035262.

It can be divided in two parts, 99 and 385517, that multiplied together give a palindrome (38166183).

The spelling of 99385517 in words is "ninety-nine million, three hundred eighty-five thousand, five hundred seventeen".