198948603 has 64 divisors (see below), whose sum is σ = 334430208. Its totient is φ = 102627840.

The previous prime is 198948577. The next prime is 198948641. The reversal of 198948603 is 306849891.

It is not a de Polignac number, because 198948603 - 2⁵ = 198948571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198948683) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1191226 + ... + 1191392.

It is an arithmetic number, because the mean of its divisors is an integer number (5225472).

Almost surely, 2^198948603 is an apocalyptic number.

198948603 is a deficient number, since it is larger than the sum of its proper divisors (135481605).

198948603 is a wasteful number, since it uses less digits than its factorization.

198948603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 198948603 is about 14104.9141436593. The cubic root of 198948603 is about 583.7769788239.

The spelling of 198948603 in words is "one hundred ninety-eight million, nine hundred forty-eight thousand, six hundred three".