198032197 has 8 divisors (see below), whose sum is σ = 220632192. Its totient is φ = 176198400.

The previous prime is 198032183. The next prime is 198032239. The reversal of 198032197 is 791230891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 198032197 - 2¹⁵ = 197999429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198032147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191004 + ... + 192037.

It is an arithmetic number, because the mean of its divisors is an integer number (27579024).

Almost surely, 2^198032197 is an apocalyptic number.

It is an amenable number.

198032197 is a deficient number, since it is larger than the sum of its proper divisors (22599995).

198032197 is a wasteful number, since it uses less digits than its factorization.

198032197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383099.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 198032197 is about 14072.3913035418. The cubic root of 198032197 is about 582.8792591152.

The spelling of 198032197 in words is "one hundred ninety-eight million, thirty-two thousand, one hundred ninety-seven".