196091 has 8 divisors (see below), whose sum is σ = 227040. Its totient is φ = 165888.

The previous prime is 196087. The next prime is 196111. The reversal of 196091 is 190691.

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 196091 - 2² = 196087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196091.

It is not an unprimeable number, because it can be changed into a prime (196051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635 + ... + 891.

It is an arithmetic number, because the mean of its divisors is an integer number (28380).

2¹⁹⁶⁰⁹¹ is an apocalyptic number.

196091 is a deficient number, since it is larger than the sum of its proper divisors (30949).

196091 is a wasteful number, since it uses less digits than its factorization.

196091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 196091 is about 442.8216345212. The cubic root of 196091 is about 58.0968457322.

The spelling of 196091 in words is "one hundred ninety-six thousand, ninety-one".