173998983 has 4 divisors (see below), whose sum is σ = 231998648. Its totient is φ = 115999320.

The previous prime is 173998969. The next prime is 173998987. The reversal of 173998983 is 389899371.

173998983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389899371 = 3 ⋅129966457.

It is not a de Polignac number, because 173998983 - 2¹⁰ = 173997959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173998987) 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, 28999828 + ... + 28999833.

It is an arithmetic number, because the mean of its divisors is an integer number (57999662).

Almost surely, 2^173998983 is an apocalyptic number.

173998983 is a deficient number, since it is larger than the sum of its proper divisors (57999665).

173998983 is an equidigital number, since it uses as much as digits as its factorization.

173998983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57999664.

The product of its digits is 2939328, while the sum is 57.

The square root of 173998983 is about 13190.8674089311. The cubic root of 173998983 is about 558.2759294861.

The spelling of 173998983 in words is "one hundred seventy-three million, nine hundred ninety-eight thousand, nine hundred eighty-three".