180983 has 4 divisors (see below), whose sum is σ = 197448. Its totient is φ = 164520.

The previous prime is 180959. The next prime is 181001. The reversal of 180983 is 389081.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 180983 - 2¹² = 176887 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8216 + ... + 8237.

It is an arithmetic number, because the mean of its divisors is an integer number (49362).

2¹⁸⁰⁹⁸³ is an apocalyptic number.

180983 is a deficient number, since it is larger than the sum of its proper divisors (16465).

180983 is a wasteful number, since it uses less digits than its factorization.

180983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16464.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 180983 is about 425.4209679835. The cubic root of 180983 is about 56.5647572433.

The spelling of 180983 in words is "one hundred eighty thousand, nine hundred eighty-three".