1968216 has 16 divisors (see below), whose sum is σ = 4920600. Its totient is φ = 656064.

The previous prime is 1968203. The next prime is 1968233. The reversal of 1968216 is 6128691.

It is a congruent number.

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, 40981 + ... + 41028.

2^1968216 is an apocalyptic number.

It is an amenable number.

1968216 is an abundant number, since it is smaller than the sum of its proper divisors (2952384).

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

1968216 is a wasteful number, since it uses less digits than its factorization.

1968216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82018 (or 82014 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 1968216 is about 1402.9312171308. The cubic root of 1968216 is about 125.3211157046.

The spelling of 1968216 in words is "one million, nine hundred sixty-eight thousand, two hundred sixteen".