217081196 has 12 divisors (see below), whose sum is σ = 380205000. Its totient is φ = 108451200.

The previous prime is 217081187. The next prime is 217081217. The reversal of 217081196 is 691180712.

217081196 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 16730 + ... + 26721.

It is an arithmetic number, because the mean of its divisors is an integer number (31683750).

Almost surely, 2^217081196 is an apocalyptic number.

It is an amenable number.

217081196 is a deficient number, since it is larger than the sum of its proper divisors (163123804).

217081196 is a wasteful number, since it uses less digits than its factorization.

217081196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44704 (or 44702 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 217081196 is about 14733.6755767188. The cubic root of 217081196 is about 600.9994416769. Note that the first 3 decimals are identical.

The spelling of 217081196 in words is "two hundred seventeen million, eighty-one thousand, one hundred ninety-six".