198394 has 16 divisors (see below), whose sum is σ = 350208. Its totient is φ = 82512.

The previous prime is 198391. The next prime is 198397. The reversal of 198394 is 493891.

It is an interprime number because it is at equal distance from previous prime (198391) and next prime (198397).

It is not an unprimeable number, because it can be changed into a prime (198391) 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, 327 + ... + 709.

It is an arithmetic number, because the mean of its divisors is an integer number (21888).

2¹⁹⁸³⁹⁴ is an apocalyptic number.

198394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198394 is a deficient number, since it is larger than the sum of its proper divisors (151814).

198394 is a wasteful number, since it uses less digits than its factorization.

198394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429.

The product of its digits is 7776, while the sum is 34.

The square root of 198394 is about 445.4144137767. The cubic root of 198394 is about 58.3234014837.

The spelling of 198394 in words is "one hundred ninety-eight thousand, three hundred ninety-four".