198836 has 12 divisors (see below), whose sum is σ = 379680. Its totient is φ = 90360.

The previous prime is 198833. The next prime is 198839. The reversal of 198836 is 638891.

It is an interprime number because it is at equal distance from previous prime (198833) and next prime (198839).

It is a junction number, because it is equal to n+sod(n) for n = 198796 and 198805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198833) 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 3 ways as a sum of consecutive naturals, for example, 2216 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (31640).

2¹⁹⁸⁸³⁶ is an apocalyptic number.

It is an amenable number.

198836 is a deficient number, since it is larger than the sum of its proper divisors (180844).

198836 is a wasteful number, since it uses less digits than its factorization.

198836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534 (or 4532 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 198836 is about 445.9103048820. The cubic root of 198836 is about 58.3666820649.

The spelling of 198836 in words is "one hundred ninety-eight thousand, eight hundred thirty-six".