196239 has 4 divisors (see below), whose sum is σ = 261656. Its totient is φ = 130824.

The previous prime is 196201. The next prime is 196247. The reversal of 196239 is 932691.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 196239 - 2⁷ = 196111 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32704 + ... + 32709.

It is an arithmetic number, because the mean of its divisors is an integer number (65414).

2¹⁹⁶²³⁹ is an apocalyptic number.

196239 is a deficient number, since it is larger than the sum of its proper divisors (65417).

196239 is an equidigital number, since it uses as much as digits as its factorization.

196239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65416.

The product of its digits is 2916, while the sum is 30.

The square root of 196239 is about 442.9887131745. The cubic root of 196239 is about 58.1114582860. Note that the first 3 decimals are identical.

It can be divided in two parts, 196 and 239, that added together give a triangular number (435 = T₂₉).

The spelling of 196239 in words is "one hundred ninety-six thousand, two hundred thirty-nine".