187985514 has 16 divisors (see below), whose sum is σ = 378050400. Its totient is φ = 62315280.

The previous prime is 187985513. The next prime is 187985531. The reversal of 187985514 is 415589781.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (187985513) 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, 85464 + ... + 87635.

It is an arithmetic number, because the mean of its divisors is an integer number (23628150).

Almost surely, 2^187985514 is an apocalyptic number.

187985514 is an abundant number, since it is smaller than the sum of its proper divisors (190064886).

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

187985514 is a wasteful number, since it uses less digits than its factorization.

187985514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173285.

The product of its digits is 403200, while the sum is 48.

The square root of 187985514 is about 13710.7809405591. The cubic root of 187985514 is about 572.8507175170.

The spelling of 187985514 in words is "one hundred eighty-seven million, nine hundred eighty-five thousand, five hundred fourteen".