198046049 has 2 divisors, whose sum is σ = 198046050. Its totient is φ = 198046048.

The previous prime is 198046033. The next prime is 198046081. The reversal of 198046049 is 940640891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176358400 + 21687649 = 13280^2 + 4657^2 .

It is a cyclic number.

It is not a de Polignac number, because 198046049 - 2⁴ = 198046033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 198045997 and 198046015.

It is not a weakly prime, because it can be changed into another prime (198046019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99023024 + 99023025.

It is an arithmetic number, because the mean of its divisors is an integer number (99023025).

Almost surely, 2^198046049 is an apocalyptic number.

It is an amenable number.

198046049 is a deficient number, since it is larger than the sum of its proper divisors (1).

198046049 is an equidigital number, since it uses as much as digits as its factorization.

198046049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 198046049 is about 14072.8834643082. The cubic root of 198046049 is about 582.8928492542.

The spelling of 198046049 in words is "one hundred ninety-eight million, forty-six thousand, forty-nine".