187198214 has 16 divisors (see below), whose sum is σ = 323364096. Its totient is φ = 79614600.

The previous prime is 187198213. The next prime is 187198217. The reversal of 187198214 is 412891781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187198213) 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, 49202 + ... + 52869.

It is an arithmetic number, because the mean of its divisors is an integer number (20210256).

Almost surely, 2^187198214 is an apocalyptic number.

187198214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

187198214 is a deficient number, since it is larger than the sum of its proper divisors (136165882).

187198214 is a wasteful number, since it uses less digits than its factorization.

187198214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102211.

The product of its digits is 32256, while the sum is 41.

The square root of 187198214 is about 13682.0398332997. The cubic root of 187198214 is about 572.0498819524.

The spelling of 187198214 in words is "one hundred eighty-seven million, one hundred ninety-eight thousand, two hundred fourteen".