188384132 has 6 divisors (see below), whose sum is σ = 329672238. Its totient is φ = 94192064.

The previous prime is 188384129. The next prime is 188384137. The reversal of 188384132 is 231483881.

It can be written as a sum of positive squares in only one way, i.e., 95570176 + 92813956 = 9776^2 + 9634^2 .

It is not an unprimeable number, because it can be changed into a prime (188384137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23548013 + ... + 23548020.

It is an arithmetic number, because the mean of its divisors is an integer number (54945373).

Almost surely, 2^188384132 is an apocalyptic number.

It is an amenable number.

188384132 is a deficient number, since it is larger than the sum of its proper divisors (141288106).

188384132 is a wasteful number, since it uses less digits than its factorization.

188384132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47096037 (or 47096035 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 188384132 is about 13725.3099054265. The cubic root of 188384132 is about 573.2553362739.

The spelling of 188384132 in words is "one hundred eighty-eight million, three hundred eighty-four thousand, one hundred thirty-two".