198516 has 24 divisors (see below), whose sum is σ = 471744. Its totient is φ = 64960.

The previous prime is 198503. The next prime is 198529. The reversal of 198516 is 615891.

It is a happy number.

198516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (198503) and next prime (198529).

It is a congruent number.

It is an unprimeable number.

198516 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736 + ... + 968.

It is an arithmetic number, because the mean of its divisors is an integer number (19656).

2¹⁹⁸⁵¹⁶ is an apocalyptic number.

It is an amenable number.

198516 is an abundant number, since it is smaller than the sum of its proper divisors (273228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198516 is a wasteful number, since it uses less digits than its factorization.

198516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 309 counting only the distinct ones).

The product of its digits is 2160, while the sum is 30.

The square root of 198516 is about 445.5513438427. The cubic root of 198516 is about 58.3353541250.

The spelling of 198516 in words is "one hundred ninety-eight thousand, five hundred sixteen".