170983 has 4 divisors (see below), whose sum is σ = 173848. Its totient is φ = 168120.

The previous prime is 170971. The next prime is 171007. The reversal of 170983 is 389071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389071 = 229 ⋅1699.

It is a cyclic number.

It is not a de Polignac number, because 170983 - 2¹³ = 162791 is a prime.

It is the 414-th Hogben number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170953) by changing a digit.

It is a nontrivial repunit in base 413.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341 + ... + 1462.

It is an arithmetic number, because the mean of its divisors is an integer number (43462).

2¹⁷⁰⁹⁸³ is an apocalyptic number.

170983 is a deficient number, since it is larger than the sum of its proper divisors (2865).

170983 is an equidigital number, since it uses as much as digits as its factorization.

170983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 170983 is about 413.5009068914. The cubic root of 170983 is about 55.5031516215.

The spelling of 170983 in words is "one hundred seventy thousand, nine hundred eighty-three".