172194 has 16 divisors (see below), whose sum is σ = 375840. Its totient is φ = 52160.

The previous prime is 172181. The next prime is 172199. The reversal of 172194 is 491271.

172194 is nontrivially palindromic in base 16.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 172194.

It is not an unprimeable number, because it can be changed into a prime (172199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239 + ... + 1370.

It is an arithmetic number, because the mean of its divisors is an integer number (23490).

2¹⁷²¹⁹⁴ is an apocalyptic number.

172194 is an abundant number, since it is smaller than the sum of its proper divisors (203646).

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

172194 is a wasteful number, since it uses less digits than its factorization.

172194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625.

The product of its digits is 504, while the sum is 24.

The square root of 172194 is about 414.9626489216. The cubic root of 172194 is about 55.6338785643.

It can be divided in two parts, 17 and 2194, that added together give a triangular number (2211 = T₆₆).

The spelling of 172194 in words is "one hundred seventy-two thousand, one hundred ninety-four".