188985476 has 12 divisors (see below), whose sum is σ = 348131280. Its totient is φ = 89519400.

The previous prime is 188985463. The next prime is 188985479. The reversal of 188985476 is 674589881.

It is not an unprimeable number, because it can be changed into a prime (188985479) 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 3 ways as a sum of consecutive naturals, for example, 1243250 + ... + 1243401.

It is an arithmetic number, because the mean of its divisors is an integer number (29010940).

Almost surely, 2^188985476 is an apocalyptic number.

It is an amenable number.

188985476 is a deficient number, since it is larger than the sum of its proper divisors (159145804).

188985476 is a wasteful number, since it uses less digits than its factorization.

188985476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486674 (or 2486672 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 56.

The square root of 188985476 is about 13747.1988419459. The cubic root of 188985476 is about 573.8646542369.

The spelling of 188985476 in words is "one hundred eighty-eight million, nine hundred eighty-five thousand, four hundred seventy-six".