187985196 has 36 divisors (see below), whose sum is σ = 543069072. Its totient is φ = 53709984.

The previous prime is 187985179. The next prime is 187985227. The reversal of 187985196 is 691589781.

187985196 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372735 + ... + 373238.

It is an arithmetic number, because the mean of its divisors is an integer number (15085252).

Almost surely, 2^187985196 is an apocalyptic number.

It is an amenable number.

187985196 is an abundant number, since it is smaller than the sum of its proper divisors (355083876).

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

187985196 is a wasteful number, since it uses less digits than its factorization.

187985196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745990 (or 745985 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 54.

The square root of 187985196 is about 13710.7693438406. The cubic root of 187985196 is about 572.8503945017.

The spelling of 187985196 in words is "one hundred eighty-seven million, nine hundred eighty-five thousand, one hundred ninety-six".