606689 has 8 divisors (see below), whose sum is σ = 656640. Its totient is φ = 558576.

The previous prime is 606673. The next prime is 606721. The reversal of 606689 is 986606.

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

It is a cyclic number.

It is not a de Polignac number, because 606689 - 2⁴ = 606673 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (606649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272 + ... + 1134.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2⁶⁰⁶⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

606689 is a deficient number, since it is larger than the sum of its proper divisors (49951).

606689 is a wasteful number, since it uses less digits than its factorization.

606689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 606689 is about 778.9024329144. The cubic root of 606689 is about 84.6555379039.

The spelling of 606689 in words is "six hundred six thousand, six hundred eighty-nine".