198354 has 16 divisors (see below), whose sum is σ = 427392. Its totient is φ = 61008.

The previous prime is 198349. The next prime is 198377. The reversal of 198354 is 453891.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198354.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194 + ... + 1349.

It is an arithmetic number, because the mean of its divisors is an integer number (26712).

2¹⁹⁸³⁵⁴ is an apocalyptic number.

198354 is an abundant number, since it is smaller than the sum of its proper divisors (229038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198354 is a wasteful number, since it uses less digits than its factorization.

198354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561.

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

The square root of 198354 is about 445.3695095087. The cubic root of 198354 is about 58.3194815183.

The spelling of 198354 in words is "one hundred ninety-eight thousand, three hundred fifty-four".