188980 has 24 divisors (see below), whose sum is σ = 433440. Its totient is φ = 68640.

The previous prime is 188957. The next prime is 188983. The reversal of 188980 is 89881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (18060).

2¹⁸⁸⁹⁸⁰ is an apocalyptic number.

188980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188980 is an abundant number, since it is smaller than the sum of its proper divisors (244460).

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

188980 is a wasteful number, since it uses less digits than its factorization.

188980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 188980 is about 434.7182995918. The cubic root of 188980 is about 57.3859111460.

Subtracting from 188980 its reverse (89881), we obtain a palindrome (99099).

It can be divided in two parts, 18 and 8980, that added together give a palindrome (8998).

The spelling of 188980 in words is "one hundred eighty-eight thousand, nine hundred eighty".