196609 has 4 divisors (see below), whose sum is σ = 224704. Its totient is φ = 168516.

The previous prime is 196597. The next prime is 196613. The reversal of 196609 is 906691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196609 - 2¹³ = 188417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14037 + ... + 14050.

It is an arithmetic number, because the mean of its divisors is an integer number (56176).

It is a Proth number, since it is equal to 3 ⋅ 2¹⁶ + 1 and 3 < 2¹⁶.

2¹⁹⁶⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

196609 is a deficient number, since it is larger than the sum of its proper divisors (28095).

196609 is an equidigital number, since it uses as much as digits as its factorization.

196609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28094.

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

The square root of 196609 is about 443.4061343734. The cubic root of 196609 is about 58.1479575556.

The spelling of 196609 in words is "one hundred ninety-six thousand, six hundred nine".