187380492 has 48 divisors (see below), whose sum is σ = 486054912. Its totient is φ = 55794240.

The previous prime is 187380491. The next prime is 187380503. The reversal of 187380492 is 294083781.

It is a super-2 number, since 2×187380492² = 70222897564324128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (187380491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14538 + ... + 24209.

It is an arithmetic number, because the mean of its divisors is an integer number (10126144).

Almost surely, 2^187380492 is an apocalyptic number.

187380492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

187380492 is an abundant number, since it is smaller than the sum of its proper divisors (298674420).

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

187380492 is a wasteful number, since it uses less digits than its factorization.

187380492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38798 (or 38796 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 187380492 is about 13688.6994268995. The cubic root of 187380492 is about 572.2354932012.

The spelling of 187380492 in words is "one hundred eighty-seven million, three hundred eighty thousand, four hundred ninety-two".