683500000 has 84 divisors (see below), whose sum is σ = 1683259704. Its totient is φ = 273200000.

The previous prime is 683499953. The next prime is 683500003. The reversal of 683500000 is 5386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683500003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 499317 + ... + 500683.

It is an arithmetic number, because the mean of its divisors is an integer number (20038806).

Almost surely, 2^683500000 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 683500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841629852).

683500000 is an abundant number, since it is smaller than the sum of its proper divisors (999759704).

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

683500000 is an frugal number, since it uses more digits than its factorization.

683500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 683500000 is about 26143.8329248027. The cubic root of 683500000 is about 880.8720693886.

Adding to 683500000 its reverse (5386), we get a palindrome (683505386).

The spelling of 683500000 in words is "six hundred eighty-three million, five hundred thousand".