683853984 has 72 divisors (see below), whose sum is σ = 2121511392. Its totient is φ = 207227520.

The previous prime is 683853913. The next prime is 683853997. The reversal of 683853984 is 489358386.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 683853984.

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, 104764 + ... + 111099.

It is an arithmetic number, because the mean of its divisors is an integer number (29465436).

Almost surely, 2^683853984 is an apocalyptic number.

It is an amenable number.

683853984 is an abundant number, since it is smaller than the sum of its proper divisors (1437657408).

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

683853984 is a wasteful number, since it uses less digits than its factorization.

683853984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215890 (or 215879 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 683853984 is about 26150.6019815988. The cubic root of 683853984 is about 881.0241107466.

The spelling of 683853984 in words is "six hundred eighty-three million, eight hundred fifty-three thousand, nine hundred eighty-four".