196816 has 10 divisors (see below), whose sum is σ = 381362. Its totient is φ = 98400.

The previous prime is 196799. The next prime is 196817. The reversal of 196816 is 618691.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 156816 + 40000 = 396^2 + 200^2 .

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6135 + ... + 6166.

2¹⁹⁶⁸¹⁶ is an apocalyptic number.

196816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

196816 is a deficient number, since it is larger than the sum of its proper divisors (184546).

196816 is a wasteful number, since it uses less digits than its factorization.

196816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12309 (or 12303 counting only the distinct ones).

The product of its digits is 2592, while the sum is 31.

The square root of 196816 is about 443.6394932826. The cubic root of 196816 is about 58.1683574447.

Subtracting 196816 from its reverse (618691), we obtain a cube (421875 = 75³).

The spelling of 196816 in words is "one hundred ninety-six thousand, eight hundred sixteen".