198348763 has 2 divisors, whose sum is σ = 198348764. Its totient is φ = 198348762.

The previous prime is 198348751. The next prime is 198348767. The reversal of 198348763 is 367843891.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (367843891) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198348763 is a prime.

It is not a weakly prime, because it can be changed into another prime (198348767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99174381 + 99174382.

It is an arithmetic number, because the mean of its divisors is an integer number (99174382).

Almost surely, 2^198348763 is an apocalyptic number.

198348763 is a deficient number, since it is larger than the sum of its proper divisors (1).

198348763 is an equidigital number, since it uses as much as digits as its factorization.

198348763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 198348763 is about 14083.6345806045. The cubic root of 198348763 is about 583.1896825778.

The spelling of 198348763 in words is "one hundred ninety-eight million, three hundred forty-eight thousand, seven hundred sixty-three".