17968196 has 6 divisors (see below), whose sum is σ = 31444350. Its totient is φ = 8984096.

The previous prime is 17968193. The next prime is 17968207. The reversal of 17968196 is 69186971.

It can be written as a sum of positive squares in only one way, i.e., 17305600 + 662596 = 4160^2 + 814^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 17968196.

It is not an unprimeable number, because it can be changed into a prime (17968193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2246021 + ... + 2246028.

It is an arithmetic number, because the mean of its divisors is an integer number (5240725).

Almost surely, 2^17968196 is an apocalyptic number.

It is an amenable number.

17968196 is a deficient number, since it is larger than the sum of its proper divisors (13476154).

17968196 is a wasteful number, since it uses less digits than its factorization.

17968196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492053 (or 4492051 counting only the distinct ones).

The product of its digits is 163296, while the sum is 47.

The square root of 17968196 is about 4238.8908926746. The cubic root of 17968196 is about 261.9196964623.

The spelling of 17968196 in words is "seventeen million, nine hundred sixty-eight thousand, one hundred ninety-six".