198460617 has 8 divisors (see below), whose sum is σ = 265591680. Its totient is φ = 131818320.

The previous prime is 198460597. The next prime is 198460631. The reversal of 198460617 is 716064891.

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

It is not a de Polignac number, because 198460617 - 2¹⁰ = 198459593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198460687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121242 + ... + 122867.

It is an arithmetic number, because the mean of its divisors is an integer number (33198960).

Almost surely, 2^198460617 is an apocalyptic number.

It is an amenable number.

198460617 is a deficient number, since it is larger than the sum of its proper divisors (67131063).

198460617 is a wasteful number, since it uses less digits than its factorization.

198460617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244383.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 198460617 is about 14087.6050839027. The cubic root of 198460617 is about 583.2992872284.

The spelling of 198460617 in words is "one hundred ninety-eight million, four hundred sixty thousand, six hundred seventeen".