198377 has 2 divisors, whose sum is σ = 198378. Its totient is φ = 198376.

The previous prime is 198349. The next prime is 198391. The reversal of 198377 is 773891.

198377 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., 190096 + 8281 = 436^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 198377 - 2⁶ = 198313 is a prime.

It is not a weakly prime, because it can be changed into another prime (198337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99188 + 99189.

It is an arithmetic number, because the mean of its divisors is an integer number (99189).

2¹⁹⁸³⁷⁷ is an apocalyptic number.

It is an amenable number.

198377 is a deficient number, since it is larger than the sum of its proper divisors (1).

198377 is an equidigital number, since it uses as much as digits as its factorization.

198377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 35.

The square root of 198377 is about 445.3953300159. The cubic root of 198377 is about 58.3217355628.

It can be divided in two parts, 198 and 377, that added together give a palindrome (575).

The spelling of 198377 in words is "one hundred ninety-eight thousand, three hundred seventy-seven".