682556928 has 80 divisors (see below), whose sum is σ = 1833216000. Its totient is φ = 225662976.

The previous prime is 682556873. The next prime is 682556929. The reversal of 682556928 is 829655286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682556929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193323 + ... + 196821.

It is an arithmetic number, because the mean of its divisors is an integer number (22915200).

Almost surely, 2^682556928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 682556928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (916608000).

682556928 is an abundant number, since it is smaller than the sum of its proper divisors (1150659072).

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

682556928 is a wasteful number, since it uses less digits than its factorization.

682556928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647 (or 3631 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 682556928 is about 26125.7904760794. The cubic root of 682556928 is about 880.4667496387.

The spelling of 682556928 in words is "six hundred eighty-two million, five hundred fifty-six thousand, nine hundred twenty-eight".