198926 has 16 divisors (see below), whose sum is σ = 367584. Its totient is φ = 78624.

The previous prime is 198901. The next prime is 198929. The reversal of 198926 is 629891.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198926.

It is not an unprimeable number, because it can be changed into a prime (198929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365 + ... + 728.

It is an arithmetic number, because the mean of its divisors is an integer number (22974).

2¹⁹⁸⁹²⁶ is an apocalyptic number.

198926 is a deficient number, since it is larger than the sum of its proper divisors (168658).

198926 is a wasteful number, since it uses less digits than its factorization.

198926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115.

The product of its digits is 7776, while the sum is 35.

The square root of 198926 is about 446.0112106214. The cubic root of 198926 is about 58.3754869913.

Subtracting from 198926 its sum of digits (35), we obtain a palindrome (198891).

The spelling of 198926 in words is "one hundred ninety-eight thousand, nine hundred twenty-six".