170798 has 16 divisors (see below), whose sum is σ = 276480. Its totient is φ = 78936.

The previous prime is 170777. The next prime is 170801. The reversal of 170798 is 897071.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

170798 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2123 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (17280).

2¹⁷⁰⁷⁹⁸ is an apocalyptic number.

170798 is a deficient number, since it is larger than the sum of its proper divisors (105682).

170798 is a wasteful number, since it uses less digits than its factorization.

170798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 170798 is about 413.2771467188. The cubic root of 170798 is about 55.4831266510.

The spelling of 170798 in words is "one hundred seventy thousand, seven hundred ninety-eight".