196985 has 4 divisors (see below), whose sum is σ = 236388. Its totient is φ = 157584.

The previous prime is 196961. The next prime is 196991. The reversal of 196985 is 589691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589691 = 491 ⋅1201.

It can be written as a sum of positive squares in 2 ways, for example, as 107584 + 89401 = 328^2 + 299^2 .

It is a cyclic number.

It is not a de Polignac number, because 196985 - 2¹² = 192889 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 196985.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19694 + ... + 19703.

It is an arithmetic number, because the mean of its divisors is an integer number (59097).

2¹⁹⁶⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

196985 is a deficient number, since it is larger than the sum of its proper divisors (39403).

196985 is an equidigital number, since it uses as much as digits as its factorization.

196985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39402.

The product of its digits is 19440, while the sum is 38.

The square root of 196985 is about 443.8299223802. The cubic root of 196985 is about 58.1850018233.

The spelling of 196985 in words is "one hundred ninety-six thousand, nine hundred eighty-five".