683943120 has 240 divisors, whose sum is σ = 2653996800. Its totient is φ = 154607616.

The previous prime is 683943089. The next prime is 683943131. The reversal of 683943120 is 21349386.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 488181 + ... + 489579.

It is an arithmetic number, because the mean of its divisors is an integer number (11058320).

Almost surely, 2^683943120 is an apocalyptic number.

683943120 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 683943120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326998400).

683943120 is an abundant number, since it is smaller than the sum of its proper divisors (1970053680).

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

683943120 is a wasteful number, since it uses less digits than its factorization.

683943120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 683943120 is about 26152.3062080574. The cubic root of 683943120 is about 881.0623877059.

It can be divided in two parts, 6839431 and 20, that added together give a triangular number (6839451 = T₃₆₉₈).

The spelling of 683943120 in words is "six hundred eighty-three million, nine hundred forty-three thousand, one hundred twenty".