689347012 has 12 divisors (see below), whose sum is σ = 1214347456. Its totient is φ = 342390600.

The previous prime is 689346997. The next prime is 689347013. The reversal of 689347012 is 210743986.

It is not an unprimeable number, because it can be changed into a prime (689347013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 570048 + ... + 571255.

Almost surely, 2^689347012 is an apocalyptic number.

It is an amenable number.

689347012 is a deficient number, since it is larger than the sum of its proper divisors (525000444).

689347012 is a wasteful number, since it uses less digits than its factorization.

689347012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141458 (or 1141456 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 689347012 is about 26255.4187169049. The cubic root of 689347012 is about 883.3767523296.

The spelling of 689347012 in words is "six hundred eighty-nine million, three hundred forty-seven thousand, twelve".