188844241 has 2 divisors, whose sum is σ = 188844242. Its totient is φ = 188844240.

The previous prime is 188844233. The next prime is 188844269. The reversal of 188844241 is 142448881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147112641 + 41731600 = 12129^2 + 6460^2 .

It is a cyclic number.

It is not a de Polignac number, because 188844241 - 2³ = 188844233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 188844194 and 188844203.

It is not a weakly prime, because it can be changed into another prime (188844221) by changing a digit.

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 as a sum of consecutive naturals, namely, 94422120 + 94422121.

It is an arithmetic number, because the mean of its divisors is an integer number (94422121).

Almost surely, 2^188844241 is an apocalyptic number.

It is an amenable number.

188844241 is a deficient number, since it is larger than the sum of its proper divisors (1).

188844241 is an equidigital number, since it uses as much as digits as its factorization.

188844241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65536, while the sum is 40.

The square root of 188844241 is about 13742.0610171837. The cubic root of 188844241 is about 573.7216626961.

The spelling of 188844241 in words is "one hundred eighty-eight million, eight hundred forty-four thousand, two hundred forty-one".