689412846 has 16 divisors (see below), whose sum is σ = 1380397824. Its totient is φ = 229542264.

The previous prime is 689412839. The next prime is 689412869. The reversal of 689412846 is 648214986.

It is a junction number, because it is equal to n+sod(n) for n = 689412795 and 689412804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59766 + ... + 70361.

It is an arithmetic number, because the mean of its divisors is an integer number (86274864).

Almost surely, 2^689412846 is an apocalyptic number.

689412846 is an abundant number, since it is smaller than the sum of its proper divisors (690984978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689412846 is a wasteful number, since it uses less digits than its factorization.

689412846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131015.

The product of its digits is 663552, while the sum is 48.

The square root of 689412846 is about 26256.6724091230. The cubic root of 689412846 is about 883.4048728421.

The spelling of 689412846 in words is "six hundred eighty-nine million, four hundred twelve thousand, eight hundred forty-six".