680583406 has 32 divisors (see below), whose sum is σ = 1113989760. Its totient is φ = 310603776.

The previous prime is 680583377. The next prime is 680583419. The reversal of 680583406 is 604385086.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178690 + ... + 182458.

It is an arithmetic number, because the mean of its divisors is an integer number (34812180).

Almost surely, 2^680583406 is an apocalyptic number.

680583406 is a deficient number, since it is larger than the sum of its proper divisors (433406354).

680583406 is a wasteful number, since it uses less digits than its factorization.

680583406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 680583406 is about 26087.9935219250. The cubic root of 680583406 is about 879.6173465468.

The spelling of 680583406 in words is "six hundred eighty million, five hundred eighty-three thousand, four hundred six".