188854349 has 2 divisors, whose sum is σ = 188854350. Its totient is φ = 188854348.

The previous prime is 188854331. The next prime is 188854361. The reversal of 188854349 is 943458881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130942249 + 57912100 = 11443^2 + 7610^2 .

It is an emirp because it is prime and its reverse (943458881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 188854349 - 2¹⁶ = 188788813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 188854297 and 188854306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188854949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94427174 + 94427175.

It is an arithmetic number, because the mean of its divisors is an integer number (94427175).

Almost surely, 2^188854349 is an apocalyptic number.

It is an amenable number.

188854349 is a deficient number, since it is larger than the sum of its proper divisors (1).

188854349 is an equidigital number, since it uses as much as digits as its factorization.

188854349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 50.

The square root of 188854349 is about 13742.4287882455. The cubic root of 188854349 is about 573.7318987776.

The spelling of 188854349 in words is "one hundred eighty-eight million, eight hundred fifty-four thousand, three hundred forty-nine".