2169968 has 10 divisors (see below), whose sum is σ = 4204344. Its totient is φ = 1084976.

The previous prime is 2169967. The next prime is 2169991. The reversal of 2169968 is 8699612.

It is a super-2 number, since 2×2169968² = 9417522242048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2169967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67796 + ... + 67827.

2^2169968 is an apocalyptic number.

It is an amenable number.

2169968 is a deficient number, since it is larger than the sum of its proper divisors (2034376).

2169968 is a wasteful number, since it uses less digits than its factorization.

2169968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135631 (or 135625 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 2169968 is about 1473.0811247178. The cubic root of 2169968 is about 129.4646226465.

The spelling of 2169968 in words is "two million, one hundred sixty-nine thousand, nine hundred sixty-eight".