1968668 has 36 divisors (see below), whose sum is σ = 3971352. Its totient is φ = 848640.

The previous prime is 1968641. The next prime is 1968679. The reversal of 1968668 is 8668691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14963 + ... + 15093.

2^1968668 is an apocalyptic number.

It is an amenable number.

1968668 is an abundant number, since it is smaller than the sum of its proper divisors (2002684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1968668 is a wasteful number, since it uses less digits than its factorization.

1968668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 163 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 1968668 is about 1403.0922991735. The cubic root of 1968668 is about 125.3307082846.

The spelling of 1968668 in words is "one million, nine hundred sixty-eight thousand, six hundred sixty-eight".