198526 has 8 divisors (see below), whose sum is σ = 315360. Its totient is φ = 93408.

The previous prime is 198503. The next prime is 198529. The reversal of 198526 is 625891.

198526 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2886 + ... + 2953.

It is an arithmetic number, because the mean of its divisors is an integer number (39420).

2¹⁹⁸⁵²⁶ is an apocalyptic number.

198526 is a deficient number, since it is larger than the sum of its proper divisors (116834).

198526 is a wasteful number, since it uses less digits than its factorization.

198526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858.

The product of its digits is 4320, while the sum is 31.

The square root of 198526 is about 445.5625657526. The cubic root of 198526 is about 58.3363336325.

The spelling of 198526 in words is "one hundred ninety-eight thousand, five hundred twenty-six".