198459967 has 8 divisors (see below), whose sum is σ = 204340752. Its totient is φ = 192628800.

The previous prime is 198459953. The next prime is 198459977. The reversal of 198459967 is 769954891.

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 198459967 - 2¹⁵ = 198427199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198459907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4209 + ... + 20362.

It is an arithmetic number, because the mean of its divisors is an integer number (25542594).

Almost surely, 2^198459967 is an apocalyptic number.

198459967 is a deficient number, since it is larger than the sum of its proper divisors (5880785).

198459967 is a wasteful number, since it uses less digits than its factorization.

198459967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24809.

The product of its digits is 4898880, while the sum is 58.

The square root of 198459967 is about 14087.5820139583. The cubic root of 198459967 is about 583.2986504186.

The spelling of 198459967 in words is "one hundred ninety-eight million, four hundred fifty-nine thousand, nine hundred sixty-seven".