188364850 has 12 divisors (see below), whose sum is σ = 350358714. Its totient is φ = 75345920.

The previous prime is 188364823. The next prime is 188364857. The reversal of 188364850 is 58463881.

It can be written as a sum of positive squares in 3 ways, for example, as 148181929 + 40182921 = 12173^2 + 6339^2 .

It is a junction number, because it is equal to n+sod(n) for n = 188364797 and 188364806.

It is not an unprimeable number, because it can be changed into a prime (188364857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1883599 + ... + 1883698.

Almost surely, 2^188364850 is an apocalyptic number.

188364850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188364850 is a deficient number, since it is larger than the sum of its proper divisors (161993864).

188364850 is a wasteful number, since it uses less digits than its factorization.

188364850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767309 (or 3767304 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 188364850 is about 13724.6074625105. The cubic root of 188364850 is about 573.2357771485.

The spelling of 188364850 in words is "one hundred eighty-eight million, three hundred sixty-four thousand, eight hundred fifty".