683489730 has 192 divisors, whose sum is σ = 2132241408. Its totient is φ = 138579840.

The previous prime is 683489693. The next prime is 683489731. The reversal of 683489730 is 37984386.

683489730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×683489730² = 934316422030945800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 683489730.

It is not an unprimeable number, because it can be changed into a prime (683489731) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 694819 + ... + 695801.

It is an arithmetic number, because the mean of its divisors is an integer number (11105424).

Almost surely, 2^683489730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683489730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066120704).

683489730 is an abundant number, since it is smaller than the sum of its proper divisors (1448751678).

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

683489730 is a wasteful number, since it uses less digits than its factorization.

683489730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 683489730 is about 26143.6365106310. The cubic root of 683489730 is about 880.8676574883.

The spelling of 683489730 in words is "six hundred eighty-three million, four hundred eighty-nine thousand, seven hundred thirty".