196818 has 8 divisors (see below), whose sum is σ = 393648. Its totient is φ = 65604.

The previous prime is 196817. The next prime is 196831. The reversal of 196818 is 818691.

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

196818 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16396 + ... + 16407.

It is an arithmetic number, because the mean of its divisors is an integer number (49206).

2¹⁹⁶⁸¹⁸ is an apocalyptic number.

196818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

196818 is a wasteful number, since it uses less digits than its factorization.

196818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32808.

The product of its digits is 3456, while the sum is 33.

The square root of 196818 is about 443.6417473593. The cubic root of 196818 is about 58.1685544753.

The spelling of 196818 in words is "one hundred ninety-six thousand, eight hundred eighteen".