187984132 has 36 divisors (see below), whose sum is σ = 385021056. Its totient is φ = 78669360.

The previous prime is 187984103. The next prime is 187984133. The reversal of 187984132 is 231489781.

187984132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187984133) 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 11 ways as a sum of consecutive naturals, for example, 49957 + ... + 53587.

Almost surely, 2^187984132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 187984132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192510528).

187984132 is an abundant number, since it is smaller than the sum of its proper divisors (197036924).

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

187984132 is a wasteful number, since it uses less digits than its factorization.

187984132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728 (or 3683 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 187984132 is about 13710.7305421702. The cubic root of 187984132 is about 572.8493137180.

The spelling of 187984132 in words is "one hundred eighty-seven million, nine hundred eighty-four thousand, one hundred thirty-two".