198754 has 4 divisors (see below), whose sum is σ = 298134. Its totient is φ = 99376.

The previous prime is 198733. The next prime is 198761. The reversal of 198754 is 457891.

It is a happy number.

198754 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 457891 = 7 ⋅65413.

It can be written as a sum of positive squares in only one way, i.e., 198025 + 729 = 445^2 + 27^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49687 + ... + 49690.

2¹⁹⁸⁷⁵⁴ is an apocalyptic number.

198754 is a deficient number, since it is larger than the sum of its proper divisors (99380).

198754 is an equidigital number, since it uses as much as digits as its factorization.

198754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99379.

The product of its digits is 10080, while the sum is 34.

The square root of 198754 is about 445.8183486578. The cubic root of 198754 is about 58.3586574852.

The spelling of 198754 in words is "one hundred ninety-eight thousand, seven hundred fifty-four".