198950603 has 2 divisors, whose sum is σ = 198950604. Its totient is φ = 198950602.

The previous prime is 198950597. The next prime is 198950627. The reversal of 198950603 is 306059891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198950603 - 2²⁰ = 197902027 is a prime.

It is not a weakly prime, because it can be changed into another prime (198950663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99475301 + 99475302.

It is an arithmetic number, because the mean of its divisors is an integer number (99475302).

Almost surely, 2^198950603 is an apocalyptic number.

198950603 is a deficient number, since it is larger than the sum of its proper divisors (1).

198950603 is an equidigital number, since it uses as much as digits as its factorization.

198950603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 198950603 is about 14104.9850407578. The cubic root of 198950603 is about 583.7789350244.

The spelling of 198950603 in words is "one hundred ninety-eight million, nine hundred fifty thousand, six hundred three".