198876233 has 2 divisors, whose sum is σ = 198876234. Its totient is φ = 198876232.

The previous prime is 198876179. The next prime is 198876241. The reversal of 198876233 is 332678891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157954624 + 40921609 = 12568^2 + 6397^2 .

It is an emirp because it is prime and its reverse (332678891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198876233 - 2⁸ = 198875977 is a prime.

It is a super-5 number, since 5×198876233⁵ (a number of 43 digits) contains 55555 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (198876263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99438116 + 99438117.

It is an arithmetic number, because the mean of its divisors is an integer number (99438117).

Almost surely, 2^198876233 is an apocalyptic number.

It is an amenable number.

198876233 is a deficient number, since it is larger than the sum of its proper divisors (1).

198876233 is an equidigital number, since it uses as much as digits as its factorization.

198876233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 198876233 is about 14102.3484923611. The cubic root of 198876233 is about 583.7061848884.

The spelling of 198876233 in words is "one hundred ninety-eight million, eight hundred seventy-six thousand, two hundred thirty-three".