188850380 has 24 divisors (see below), whose sum is σ = 398342448. Its totient is φ = 75205568.

The previous prime is 188850379. The next prime is 188850413. The reversal of 188850380 is 83058881.

It is a happy number.

It is a super-2 number, since 2×188850380² = 71328932052288800, which contains 22 as substring.

It is an unprimeable number.

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, 16259 + ... + 25338.

It is an arithmetic number, because the mean of its divisors is an integer number (16597602).

Almost surely, 2^188850380 is an apocalyptic number.

188850380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188850380 is an abundant number, since it is smaller than the sum of its proper divisors (209492068).

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

188850380 is a wasteful number, since it uses less digits than its factorization.

188850380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41833 (or 41831 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 188850380 is about 13742.2843806989. The cubic root of 188850380 is about 573.7278795287.

The spelling of 188850380 in words is "one hundred eighty-eight million, eight hundred fifty thousand, three hundred eighty".