683209842 has 48 divisors (see below), whose sum is σ = 1593036000. Its totient is φ = 194769792.

The previous prime is 683209829. The next prime is 683209861. The reversal of 683209842 is 248902386.

683209842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 683209794 and 683209803.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144378 + ... + 149034.

It is an arithmetic number, because the mean of its divisors is an integer number (33188250).

Almost surely, 2^683209842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683209842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796518000).

683209842 is an abundant number, since it is smaller than the sum of its proper divisors (909826158).

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

683209842 is a wasteful number, since it uses less digits than its factorization.

683209842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175 (or 5168 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 683209842 is about 26138.2830729182. The cubic root of 683209842 is about 880.7474030856.

The spelling of 683209842 in words is "six hundred eighty-three million, two hundred nine thousand, eight hundred forty-two".