196881 has 16 divisors (see below), whose sum is σ = 284160. Its totient is φ = 120960.

The previous prime is 196879. The next prime is 196901. The reversal of 196881 is 188691.

It is not a de Polignac number, because 196881 - 2¹ = 196879 is a prime.

It is a super-2 number, since 2×196881² = 77524256322, which contains 22 as substring.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (196831) 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 in 15 ways as a sum of consecutive naturals, for example, 2661 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (17760).

2¹⁹⁶⁸⁸¹ is an apocalyptic number.

It is an amenable number.

196881 is a deficient number, since it is larger than the sum of its proper divisors (87279).

196881 is a wasteful number, since it uses less digits than its factorization.

196881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136.

The product of its digits is 3456, while the sum is 33.

The square root of 196881 is about 443.7127449150. The cubic root of 196881 is about 58.1747602559.

The spelling of 196881 in words is "one hundred ninety-six thousand, eight hundred eighty-one".