17968996 has 6 divisors (see below), whose sum is σ = 31445750. Its totient is φ = 8984496.

The previous prime is 17968967. The next prime is 17968999. The reversal of 17968996 is 69986971.

It can be written as a sum of positive squares in only one way, i.e., 17222500 + 746496 = 4150^2 + 864^2 .

It is not an unprimeable number, because it can be changed into a prime (17968999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2246121 + ... + 2246128.

Almost surely, 2^17968996 is an apocalyptic number.

It is an amenable number.

17968996 is a deficient number, since it is larger than the sum of its proper divisors (13476754).

17968996 is a wasteful number, since it uses less digits than its factorization.

17968996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492253 (or 4492251 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 55.

The square root of 17968996 is about 4238.9852559310. The cubic root of 17968996 is about 261.9235835646.

The spelling of 17968996 in words is "seventeen million, nine hundred sixty-eight thousand, nine hundred ninety-six".