196865 has 4 divisors (see below), whose sum is σ = 236244. Its totient is φ = 157488.

The previous prime is 196853. The next prime is 196871. The reversal of 196865 is 568691.

196865 is nontrivially palindromic in base 13.

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

It can be written as a sum of positive squares in 2 ways, for example, as 146689 + 50176 = 383^2 + 224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196865 is a prime.

It is a Duffinian number.

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, 19682 + ... + 19691.

It is an arithmetic number, because the mean of its divisors is an integer number (59061).

2¹⁹⁶⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

196865 is a deficient number, since it is larger than the sum of its proper divisors (39379).

196865 is an equidigital number, since it uses as much as digits as its factorization.

196865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39378.

The product of its digits is 12960, while the sum is 35.

The square root of 196865 is about 443.6947148660. The cubic root of 196865 is about 58.1731843101.

It can be divided in two parts, 19686 and 5, that added together give a palindrome (19691).

The spelling of 196865 in words is "one hundred ninety-six thousand, eight hundred sixty-five".