188338849 has 8 divisors (see below), whose sum is σ = 199078880. Its totient is φ = 177681600.

The previous prime is 188338837. The next prime is 188338877. The reversal of 188338849 is 948833881.

188338849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 188338849 - 2⁵ = 188338817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 188338796 and 188338805.

It is not an unprimeable number, because it can be changed into a prime (188338819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15987 + ... + 25144.

It is an arithmetic number, because the mean of its divisors is an integer number (24884860).

Almost surely, 2^188338849 is an apocalyptic number.

188338849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

188338849 is a deficient number, since it is larger than the sum of its proper divisors (10740031).

188338849 is a wasteful number, since it uses less digits than its factorization.

188338849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41391.

The product of its digits is 1327104, while the sum is 52.

The square root of 188338849 is about 13723.6601896141. The cubic root of 188338849 is about 573.2094003426.

The spelling of 188338849 in words is "one hundred eighty-eight million, three hundred thirty-eight thousand, eight hundred forty-nine".