198376963 has 4 divisors (see below), whose sum is σ = 198439648. Its totient is φ = 198314280.

The previous prime is 198376957. The next prime is 198376973. The reversal of 198376963 is 369673891.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198376963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 198376963.

It is not an unprimeable number, because it can be changed into a prime (198376903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26328 + ... + 33013.

It is an arithmetic number, because the mean of its divisors is an integer number (49609912).

Almost surely, 2^198376963 is an apocalyptic number.

198376963 is a deficient number, since it is larger than the sum of its proper divisors (62685).

198376963 is an equidigital number, since it uses as much as digits as its factorization.

198376963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62684.

The product of its digits is 1469664, while the sum is 52.

The square root of 198376963 is about 14084.6357070391. The cubic root of 198376963 is about 583.2173193685.

The spelling of 198376963 in words is "one hundred ninety-eight million, three hundred seventy-six thousand, nine hundred sixty-three".