683639504 has 40 divisors (see below), whose sum is σ = 1376578560. Its totient is φ = 328503168.

The previous prime is 683639503. The next prime is 683639507. The reversal of 683639504 is 405936386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683639503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100169 + ... + 106775.

It is an arithmetic number, because the mean of its divisors is an integer number (34414464).

Almost surely, 2^683639504 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 683639504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688289280).

683639504 is an abundant number, since it is smaller than the sum of its proper divisors (692939056).

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

683639504 is a wasteful number, since it uses less digits than its factorization.

683639504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867 (or 6861 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 683639504 is about 26146.5007983860. The cubic root of 683639504 is about 880.9319946837.

The spelling of 683639504 in words is "six hundred eighty-three million, six hundred thirty-nine thousand, five hundred four".