198674 has 16 divisors (see below), whose sum is σ = 355968. Its totient is φ = 81312.

The previous prime is 198673. The next prime is 198689. The reversal of 198674 is 476891.

198674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198674.

It is not an unprimeable number, because it can be changed into a prime (198673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14 + ... + 630.

It is an arithmetic number, because the mean of its divisors is an integer number (22248).

2¹⁹⁸⁶⁷⁴ is an apocalyptic number.

198674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198674 is a deficient number, since it is larger than the sum of its proper divisors (157294).

198674 is a wasteful number, since it uses less digits than its factorization.

198674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649.

The product of its digits is 12096, while the sum is 35.

The square root of 198674 is about 445.7286169857. The cubic root of 198674 is about 58.3508264996.

The spelling of 198674 in words is "one hundred ninety-eight thousand, six hundred seventy-four".