1968684 has 12 divisors (see below), whose sum is σ = 4593624. Its totient is φ = 656224.

The previous prime is 1968683. The next prime is 1968691. The reversal of 1968684 is 4868691.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1968683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82017 + ... + 82040.

It is an arithmetic number, because the mean of its divisors is an integer number (382802).

2^1968684 is an apocalyptic number.

It is an amenable number.

1968684 is an abundant number, since it is smaller than the sum of its proper divisors (2624940).

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

1968684 is a wasteful number, since it uses less digits than its factorization.

1968684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164064 (or 164062 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 1968684 is about 1403.0980008538. The cubic root of 1968684 is about 125.3310478181.

The spelling of 1968684 in words is "one million, nine hundred sixty-eight thousand, six hundred eighty-four".