99170 has 16 divisors (see below), whose sum is σ = 183168. Its totient is φ = 38640.

The previous prime is 99149. The next prime is 99173. The reversal of 99170 is 7199.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99170.

It is not an unprimeable number, because it can be changed into a prime (99173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365 + ... + 575.

It is an arithmetic number, because the mean of its divisors is an integer number (11448).

2⁹⁹¹⁷⁰ is an apocalyptic number.

99170 is a deficient number, since it is larger than the sum of its proper divisors (83998).

99170 is a wasteful number, since it uses less digits than its factorization.

99170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 99170 is about 314.9126863116. The cubic root of 99170 is about 46.2871141098.

The spelling of 99170 in words is "ninety-nine thousand, one hundred seventy".