686910606 has 8 divisors (see below), whose sum is σ = 1373821224. Its totient is φ = 228970200.

The previous prime is 686910589. The next prime is 686910607. The reversal of 686910606 is 606019686.

686910606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

686910606 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686910607) 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, 57242545 + ... + 57242556.

It is an arithmetic number, because the mean of its divisors is an integer number (171727653).

Almost surely, 2^686910606 is an apocalyptic number.

686910606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

686910606 is a wasteful number, since it uses less digits than its factorization.

686910606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114485106.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 686910606 is about 26208.9794917696. The cubic root of 686910606 is about 882.3347976468.

The spelling of 686910606 in words is "six hundred eighty-six million, nine hundred ten thousand, six hundred six".