196739 has 2 divisors, whose sum is σ = 196740. Its totient is φ = 196738.

The previous prime is 196727. The next prime is 196751. The reversal of 196739 is 937691.

It is a balanced prime because it is at equal distance from previous prime (196727) and next prime (196751).

It is a cyclic number.

It is not a de Polignac number, because 196739 - 2¹⁶ = 131203 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 196699 and 196708.

It is not a weakly prime, because it can be changed into another prime (196709) 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, 98369 + 98370.

It is an arithmetic number, because the mean of its divisors is an integer number (98370).

2¹⁹⁶⁷³⁹ is an apocalyptic number.

196739 is a deficient number, since it is larger than the sum of its proper divisors (1).

196739 is an equidigital number, since it uses as much as digits as its factorization.

196739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 35.

The square root of 196739 is about 443.5527026183. The cubic root of 196739 is about 58.1607707517.

The spelling of 196739 in words is "one hundred ninety-six thousand, seven hundred thirty-nine".