682076646 has 64 divisors (see below), whose sum is σ = 1541453760. Its totient is φ = 223534080.

The previous prime is 682076641. The next prime is 682076671. The reversal of 682076646 is 646670286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682076641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1031556 + ... + 1032216.

It is an arithmetic number, because the mean of its divisors is an integer number (24085215).

Almost surely, 2^682076646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 682076646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770726880).

682076646 is an abundant number, since it is smaller than the sum of its proper divisors (859377114).

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

682076646 is a wasteful number, since it uses less digits than its factorization.

682076646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 682076646 is about 26116.5971366869. The cubic root of 682076646 is about 880.2601873541.

The spelling of 682076646 in words is "six hundred eighty-two million, seventy-six thousand, six hundred forty-six".