183980 has 12 divisors (see below), whose sum is σ = 386400. Its totient is φ = 73584.

The previous prime is 183979. The next prime is 184003. The reversal of 183980 is 89381.

It is a happy number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4580 + ... + 4619.

It is an arithmetic number, because the mean of its divisors is an integer number (32200).

2¹⁸³⁹⁸⁰ is an apocalyptic number.

183980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

183980 is an abundant number, since it is smaller than the sum of its proper divisors (202420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

183980 is a wasteful number, since it uses less digits than its factorization.

183980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9208 (or 9206 counting only the distinct ones).

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

The square root of 183980 is about 428.9288985368. The cubic root of 183980 is about 56.8752787492.

The spelling of 183980 in words is "one hundred eighty-three thousand, nine hundred eighty".