198330029 has 4 divisors (see below), whose sum is σ = 200085276. Its totient is φ = 196574784.

The previous prime is 198330019. The next prime is 198330073. The reversal of 198330029 is 920033891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5175625 + 193154404 = 2275^2 + 13898^2 .

It is a cyclic number.

It is not a de Polignac number, because 198330029 - 2⁸ = 198329773 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 (198330019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877454 + ... + 877679.

It is an arithmetic number, because the mean of its divisors is an integer number (50021319).

Almost surely, 2^198330029 is an apocalyptic number.

It is an amenable number.

198330029 is a deficient number, since it is larger than the sum of its proper divisors (1755247).

198330029 is a wasteful number, since it uses less digits than its factorization.

198330029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755246.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 198330029 is about 14082.9694666998. The cubic root of 198330029 is about 583.1713212844.

The spelling of 198330029 in words is "one hundred ninety-eight million, three hundred thirty thousand, twenty-nine".