398199103 has 2 divisors, whose sum is σ = 398199104. Its totient is φ = 398199102.

The previous prime is 398199101. The next prime is 398199149. The reversal of 398199103 is 301991893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398199103 - 2¹ = 398199101 is a prime.

Together with 398199101, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 398199103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398199101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199099551 + 199099552.

It is an arithmetic number, because the mean of its divisors is an integer number (199099552).

Almost surely, 2^398199103 is an apocalyptic number.

398199103 is a deficient number, since it is larger than the sum of its proper divisors (1).

398199103 is an equidigital number, since it uses as much as digits as its factorization.

398199103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 398199103 is about 19954.9267851325. The cubic root of 398199103 is about 735.6988758857.

The spelling of 398199103 in words is "three hundred ninety-eight million, one hundred ninety-nine thousand, one hundred three".