683889630 has 48 divisors (see below), whose sum is σ = 1680529680. Its totient is φ = 178114944.

The previous prime is 683889607. The next prime is 683889631. The reversal of 683889630 is 36988386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683889631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49306 + ... + 61634.

It is an arithmetic number, because the mean of its divisors is an integer number (35011035).

Almost surely, 2^683889630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683889630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840264840).

683889630 is an abundant number, since it is smaller than the sum of its proper divisors (996640050).

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

683889630 is a wasteful number, since it uses less digits than its factorization.

683889630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12425 (or 12382 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 683889630 is about 26151.2835249056. The cubic root of 683889630 is about 881.0394183222.

The spelling of 683889630 in words is "six hundred eighty-three million, eight hundred eighty-nine thousand, six hundred thirty".