198435 has 8 divisors (see below), whose sum is σ = 317520. Its totient is φ = 105824.

The previous prime is 198427. The next prime is 198437. The reversal of 198435 is 534891.

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 198435 - 2³ = 198427 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 6600 + ... + 6629.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2¹⁹⁸⁴³⁵ is an apocalyptic number.

198435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198435 is a deficient number, since it is larger than the sum of its proper divisors (119085).

198435 is a wasteful number, since it uses less digits than its factorization.

198435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13237.

The product of its digits is 4320, while the sum is 30.

The square root of 198435 is about 445.4604359536. The cubic root of 198435 is about 58.3274189015.

The spelling of 198435 in words is "one hundred ninety-eight thousand, four hundred thirty-five".