173983 has 4 divisors (see below), whose sum is σ = 183160. Its totient is φ = 164808.

The previous prime is 173981. The next prime is 173993. The reversal of 173983 is 389371.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389371 = 401 ⋅971.

It is a cyclic number.

It is not a de Polignac number, because 173983 - 2¹ = 173981 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4560 + ... + 4597.

It is an arithmetic number, because the mean of its divisors is an integer number (45790).

2¹⁷³⁹⁸³ is an apocalyptic number.

173983 is a deficient number, since it is larger than the sum of its proper divisors (9177).

173983 is an equidigital number, since it uses as much as digits as its factorization.

173983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9176.

The product of its digits is 4536, while the sum is 31.

The square root of 173983 is about 417.1126946042. The cubic root of 173983 is about 55.8258835138.

It can be divided in two parts, 173 and 983, that added together give a square (1156 = 34²).

The spelling of 173983 in words is "one hundred seventy-three thousand, nine hundred eighty-three".