99318 has 8 divisors (see below), whose sum is σ = 198648. Its totient is φ = 33104.

The previous prime is 99317. The next prime is 99347. The reversal of 99318 is 81399.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

99318 is an admirable number.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 8271 + ... + 8282.

It is an arithmetic number, because the mean of its divisors is an integer number (24831).

2⁹⁹³¹⁸ is an apocalyptic number.

99318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99324).

99318 is a wasteful number, since it uses less digits than its factorization.

99318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16558.

The product of its digits is 1944, while the sum is 30.

The square root of 99318 is about 315.1475844743. The cubic root of 99318 is about 46.3101287576.

The spelling of 99318 in words is "ninety-nine thousand, three hundred eighteen".