689592812 has 12 divisors (see below), whose sum is σ = 1207606176. Its totient is φ = 344562480.

The previous prime is 689592803. The next prime is 689592823. The reversal of 689592812 is 218295986.

689592812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51764 + ... + 63707.

It is an arithmetic number, because the mean of its divisors is an integer number (100633848).

Almost surely, 2^689592812 is an apocalyptic number.

It is an amenable number.

689592812 is a deficient number, since it is larger than the sum of its proper divisors (518013364).

689592812 is a wasteful number, since it uses less digits than its factorization.

689592812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116968 (or 116966 counting only the distinct ones).

The product of its digits is 622080, while the sum is 50.

The square root of 689592812 is about 26260.0992381979. The cubic root of 689592812 is about 883.4817348707.

The spelling of 689592812 in words is "six hundred eighty-nine million, five hundred ninety-two thousand, eight hundred twelve".