683421300 has 180 divisors, whose sum is σ = 2234995840. Its totient is φ = 180636480.

The previous prime is 683421289. The next prime is 683421329. The reversal of 683421300 is 3124386.

It is a happy number.

683421300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1125597 + ... + 1126203.

Almost surely, 2^683421300 is an apocalyptic number.

683421300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683421300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117497920).

683421300 is an abundant number, since it is smaller than the sum of its proper divisors (1551574540).

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

683421300 is a wasteful number, since it uses less digits than its factorization.

683421300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 683421300 is about 26142.3277463963. The cubic root of 683421300 is about 880.8382594433.

Adding to 683421300 its reverse (3124386), we get a palindrome (686545686).

The spelling of 683421300 in words is "six hundred eighty-three million, four hundred twenty-one thousand, three hundred".