99315 has 12 divisors (see below), whose sum is σ = 172224. Its totient is φ = 52944.

The previous prime is 99289. The next prime is 99317. The reversal of 99315 is 51399.

It is not a de Polignac number, because 99315 - 2⁶ = 99251 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (99317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1059 + ... + 1148.

It is an arithmetic number, because the mean of its divisors is an integer number (14352).

2⁹⁹³¹⁵ is an apocalyptic number.

99315 is a deficient number, since it is larger than the sum of its proper divisors (72909).

99315 is a wasteful number, since it uses less digits than its factorization.

99315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218 (or 2215 counting only the distinct ones).

The product of its digits is 1215, while the sum is 27.

The square root of 99315 is about 315.1428247636. The cubic root of 99315 is about 46.3096624716.

It can be divided in two parts, 99 and 315, that added together give a palindrome (414).

The spelling of 99315 in words is "ninety-nine thousand, three hundred fifteen".