196906 has 4 divisors (see below), whose sum is σ = 295362. Its totient is φ = 98452.

The previous prime is 196901. The next prime is 196907. The reversal of 196906 is 609691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 609691 = 19 ⋅32089.

It can be written as a sum of positive squares in only one way, i.e., 112225 + 84681 = 335^2 + 291^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (196901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49225 + ... + 49228.

2¹⁹⁶⁹⁰⁶ is an apocalyptic number.

196906 is a deficient number, since it is larger than the sum of its proper divisors (98456).

196906 is an equidigital number, since it uses as much as digits as its factorization.

196906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98455.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 196906 is about 443.7409154000. The cubic root of 196906 is about 58.1772225004.

The spelling of 196906 in words is "one hundred ninety-six thousand, nine hundred six".