181796 has 12 divisors (see below), whose sum is σ = 325248. Its totient is φ = 88872.

The previous prime is 181789. The next prime is 181813. The reversal of 181796 is 697181.

It is an Ulam number.

It is an unprimeable number.

181796 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296 + ... + 671.

It is an arithmetic number, because the mean of its divisors is an integer number (27104).

2¹⁸¹⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

181796 is a deficient number, since it is larger than the sum of its proper divisors (143452).

181796 is a wasteful number, since it uses less digits than its factorization.

181796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1016 counting only the distinct ones).

The product of its digits is 3024, while the sum is 32.

The square root of 181796 is about 426.3754214305. The cubic root of 181796 is about 56.6493295675.

The spelling of 181796 in words is "one hundred eighty-one thousand, seven hundred ninety-six".