99306 has 20 divisors (see below), whose sum is σ = 222882. Its totient is φ = 33048.

The previous prime is 99289. The next prime is 99317. The reversal of 99306 is 60399.

It can be written as a sum of positive squares in only one way, i.e., 99225 + 81 = 315^2 + 9^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99306.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 145 + ... + 468.

2⁹⁹³⁰⁶ is an apocalyptic number.

99306 is an abundant number, since it is smaller than the sum of its proper divisors (123576).

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

99306 is a wasteful number, since it uses less digits than its factorization.

99306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 99306 is about 315.1285452002. The cubic root of 99306 is about 46.3082635571.

The spelling of 99306 in words is "ninety-nine thousand, three hundred six".