683610040 has 64 divisors (see below), whose sum is σ = 1595700000. Its totient is φ = 263262720.

The previous prime is 683610023. The next prime is 683610041. The reversal of 683610040 is 40016386.

It is a junction number, because it is equal to n+sod(n) for n = 683609990 and 683610008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683610041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578250 + ... + 579430.

Almost surely, 2^683610040 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 683610040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797850000).

683610040 is an abundant number, since it is smaller than the sum of its proper divisors (912089960).

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

683610040 is a wasteful number, since it uses less digits than its factorization.

683610040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720 (or 1716 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 683610040 is about 26145.9373517187. The cubic root of 683610040 is about 880.9193388161.

The spelling of 683610040 in words is "six hundred eighty-three million, six hundred ten thousand, forty".