680009356 has 18 divisors (see below), whose sum is σ = 1288598892. Its totient is φ = 313850160.

The previous prime is 680009339. The next prime is 680009357. The reversal of 680009356 is 653900086.

It is a super-3 number, since 3×680009356³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (680009357) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 502290 + ... + 503641.

Almost surely, 2^680009356 is an apocalyptic number.

It is an amenable number.

680009356 is a deficient number, since it is larger than the sum of its proper divisors (608589536).

680009356 is a wasteful number, since it uses less digits than its factorization.

680009356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005961 (or 1005946 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 680009356 is about 26076.9890133044. The cubic root of 680009356 is about 879.3699674267.

The spelling of 680009356 in words is "six hundred eighty million, nine thousand, three hundred fifty-six".