188985488 has 40 divisors (see below), whose sum is σ = 372142848. Its totient is φ = 92961792.

The previous prime is 188985487. The next prime is 188985499. The reversal of 188985488 is 884589881.

It is not an unprimeable number, because it can be changed into a prime (188985487) 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 7 ways as a sum of consecutive naturals, for example, 407945 + ... + 408407.

Almost surely, 2^188985488 is an apocalyptic number.

It is an amenable number.

188985488 is a deficient number, since it is larger than the sum of its proper divisors (183157360).

188985488 is a wasteful number, since it uses less digits than its factorization.

188985488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 825 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 59.

The square root of 188985488 is about 13747.1992783985. The cubic root of 188985488 is about 573.8646663831.

The spelling of 188985488 in words is "one hundred eighty-eight million, nine hundred eighty-five thousand, four hundred eighty-eight".