683447328 has 384 divisors, whose sum is σ = 2322432000. Its totient is φ = 194088960.

The previous prime is 683447273. The next prime is 683447339. The reversal of 683447328 is 823744386.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8651193 + ... + 8651271.

It is an arithmetic number, because the mean of its divisors is an integer number (6048000).

Almost surely, 2^683447328 is an apocalyptic number.

683447328 is a gapful number since it is divisible by the number (68) 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 683447328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161216000).

683447328 is an abundant number, since it is smaller than the sum of its proper divisors (1638984672).

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

683447328 is a wasteful number, since it uses less digits than its factorization.

683447328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 151 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 683447328 is about 26142.8255550160. The cubic root of 683447328 is about 880.8494415000.

The spelling of 683447328 in words is "six hundred eighty-three million, four hundred forty-seven thousand, three hundred twenty-eight".