689420912 has 20 divisors (see below), whose sum is σ = 1344265896. Its totient is φ = 342513600.

The previous prime is 689420911. The next prime is 689420917. The reversal of 689420912 is 219024986.

689420912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 689420912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689420911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134714 + ... + 139737.

Almost surely, 2^689420912 is an apocalyptic number.

It is an amenable number.

689420912 is a deficient number, since it is larger than the sum of its proper divisors (654844984).

689420912 is a wasteful number, since it uses less digits than its factorization.

689420912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274616 (or 274610 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 689420912 is about 26256.8260077261. The cubic root of 689420912 is about 883.4083180520.

The spelling of 689420912 in words is "six hundred eighty-nine million, four hundred twenty thousand, nine hundred twelve".