188538652 has 12 divisors (see below), whose sum is σ = 340586176. Its totient is φ = 91228320.

The previous prime is 188538629. The next prime is 188538673. The reversal of 188538652 is 256835881.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760113 + ... + 760360.

Almost surely, 2^188538652 is an apocalyptic number.

It is an amenable number.

188538652 is a deficient number, since it is larger than the sum of its proper divisors (152047524).

188538652 is a wasteful number, since it uses less digits than its factorization.

188538652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520508 (or 1520506 counting only the distinct ones).

The product of its digits is 460800, while the sum is 46.

The square root of 188538652 is about 13730.9377684119. The cubic root of 188538652 is about 573.4120288889.

The spelling of 188538652 in words is "one hundred eighty-eight million, five hundred thirty-eight thousand, six hundred fifty-two".