99315383 has 4 divisors (see below), whose sum is σ = 99819720. Its totient is φ = 98811048.

The previous prime is 99315319. The next prime is 99315431. The reversal of 99315383 is 38351399.

99315383 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38351399 = 43 ⋅891893.

It is a cyclic number.

It is not a de Polignac number, because 99315383 - 2⁶ = 99315319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99315383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99315313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251873 + ... + 252266.

It is an arithmetic number, because the mean of its divisors is an integer number (24954930).

Almost surely, 2^99315383 is an apocalyptic number.

99315383 is a deficient number, since it is larger than the sum of its proper divisors (504337).

99315383 is a wasteful number, since it uses less digits than its factorization.

99315383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504336.

The product of its digits is 87480, while the sum is 41.

The square root of 99315383 is about 9965.7103610330. The cubic root of 99315383 is about 463.0972200126.

The spelling of 99315383 in words is "ninety-nine million, three hundred fifteen thousand, three hundred eighty-three".