196805 has 8 divisors (see below), whose sum is σ = 269952. Its totient is φ = 134928.

The previous prime is 196799. The next prime is 196817. The reversal of 196805 is 508691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196805 - 2⁸ = 196549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2777 + ... + 2846.

It is an arithmetic number, because the mean of its divisors is an integer number (33744).

2¹⁹⁶⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

196805 is a deficient number, since it is larger than the sum of its proper divisors (73147).

196805 is an equidigital number, since it uses as much as digits as its factorization.

196805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 196805 is about 443.6270956558. The cubic root of 196805 is about 58.1672737526.

It can be divided in two parts, 196 and 805, that added together give a palindrome (1001).

The spelling of 196805 in words is "one hundred ninety-six thousand, eight hundred five".