198073 has 2 divisors, whose sum is σ = 198074. Its totient is φ = 198072.

The previous prime is 198047. The next prime is 198083. The reversal of 198073 is 370891.

198073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186624 + 11449 = 432^2 + 107^2 .

It is an emirp because it is prime and its reverse (370891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198073 - 2¹³ = 189881 is a prime.

198073 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (198013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99036 + 99037.

It is an arithmetic number, because the mean of its divisors is an integer number (99037).

2¹⁹⁸⁰⁷³ is an apocalyptic number.

It is an amenable number.

198073 is a deficient number, since it is larger than the sum of its proper divisors (1).

198073 is an equidigital number, since it uses as much as digits as its factorization.

198073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 198073 is about 445.0539293164. The cubic root of 198073 is about 58.2919288951.

The spelling of 198073 in words is "one hundred ninety-eight thousand, seventy-three".