683919384 has 128 divisors (see below), whose sum is σ = 1861263360. Its totient is φ = 208631808.

The previous prime is 683919349. The next prime is 683919389. The reversal of 683919384 is 483919386.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683919389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3471574 + ... + 3471770.

It is an arithmetic number, because the mean of its divisors is an integer number (14541120).

Almost surely, 2^683919384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683919384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (930631680).

683919384 is an abundant number, since it is smaller than the sum of its proper divisors (1177343976).

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

683919384 is a wasteful number, since it uses less digits than its factorization.

683919384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 413 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 683919384 is about 26151.8524009295. The cubic root of 683919384 is about 881.0521952702.

The spelling of 683919384 in words is "six hundred eighty-three million, nine hundred nineteen thousand, three hundred eighty-four".