189848903 has 2 divisors, whose sum is σ = 189848904. Its totient is φ = 189848902.

The previous prime is 189848899. The next prime is 189848921. The reversal of 189848903 is 309848981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189848903 - 2² = 189848899 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189848963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94924451 + 94924452.

It is an arithmetic number, because the mean of its divisors is an integer number (94924452).

Almost surely, 2^189848903 is an apocalyptic number.

189848903 is a deficient number, since it is larger than the sum of its proper divisors (1).

189848903 is an equidigital number, since it uses as much as digits as its factorization.

189848903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 189848903 is about 13778.5667977479. The cubic root of 189848903 is about 574.7372743041.

The spelling of 189848903 in words is "one hundred eighty-nine million, eight hundred forty-eight thousand, nine hundred three".