198430 has 8 divisors (see below), whose sum is σ = 357192. Its totient is φ = 79368.

The previous prime is 198427. The next prime is 198437. The reversal of 198430 is 34891.

198430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 198395 and 198404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198437) 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, 9912 + ... + 9931.

It is an arithmetic number, because the mean of its divisors is an integer number (44649).

2¹⁹⁸⁴³⁰ is an apocalyptic number.

198430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198430 is a deficient number, since it is larger than the sum of its proper divisors (158762).

198430 is a wasteful number, since it uses less digits than its factorization.

198430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19850.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 198430 is about 445.4548237476. The cubic root of 198430 is about 58.3269290021.

The spelling of 198430 in words is "one hundred ninety-eight thousand, four hundred thirty".