198734329 has 8 divisors (see below), whose sum is σ = 207531072. Its totient is φ = 189950640.

The previous prime is 198734323. The next prime is 198734353. The reversal of 198734329 is 923437891.

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 198734329 - 2⁵ = 198734297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198734323) 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, 40482 + ... + 45124.

It is an arithmetic number, because the mean of its divisors is an integer number (25941384).

Almost surely, 2^198734329 is an apocalyptic number.

It is an amenable number.

198734329 is a deficient number, since it is larger than the sum of its proper divisors (8796743).

198734329 is a wasteful number, since it uses less digits than its factorization.

198734329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6527.

The product of its digits is 326592, while the sum is 46.

The square root of 198734329 is about 14097.3163758213. The cubic root of 198734329 is about 583.5673213858.

The spelling of 198734329 in words is "one hundred ninety-eight million, seven hundred thirty-four thousand, three hundred twenty-nine".