198346 has 4 divisors (see below), whose sum is σ = 297522. Its totient is φ = 99172.

The previous prime is 198337. The next prime is 198347. The reversal of 198346 is 643891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643891 = 19 ⋅33889.

It can be written as a sum of positive squares in only one way, i.e., 192721 + 5625 = 439^2 + 75^2 .

It is a super-2 number, since 2×198346² = 78682271432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (198347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49585 + ... + 49588.

2¹⁹⁸³⁴⁶ is an apocalyptic number.

198346 is a deficient number, since it is larger than the sum of its proper divisors (99176).

198346 is an equidigital number, since it uses as much as digits as its factorization.

198346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99175.

The product of its digits is 5184, while the sum is 31.

The square root of 198346 is about 445.3605281118. The cubic root of 198346 is about 58.3186974619.

The spelling of 198346 in words is "one hundred ninety-eight thousand, three hundred forty-six".