196679 has 4 divisors (see below), whose sum is σ = 224784. Its totient is φ = 168576.

The previous prime is 196663. The next prime is 196681. The reversal of 196679 is 976691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976691 = 29 ⋅33679.

It is a cyclic number.

It is not a de Polignac number, because 196679 - 2⁴ = 196663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196699) 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, 14042 + ... + 14055.

It is an arithmetic number, because the mean of its divisors is an integer number (56196).

2¹⁹⁶⁶⁷⁹ is an apocalyptic number.

196679 is a deficient number, since it is larger than the sum of its proper divisors (28105).

196679 is an equidigital number, since it uses as much as digits as its factorization.

196679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28104.

The product of its digits is 20412, while the sum is 38.

The square root of 196679 is about 443.4850617552. The cubic root of 196679 is about 58.1548576704.

The spelling of 196679 in words is "one hundred ninety-six thousand, six hundred seventy-nine".