606809 has 8 divisors (see below), whose sum is σ = 723840. Its totient is φ = 497376.

The previous prime is 606791. The next prime is 606811. The reversal of 606809 is 908606.

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 606809 - 2¹² = 602713 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 606809.

It is not an unprimeable number, because it can be changed into a prime (606829) 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, 1724 + ... + 2045.

It is an arithmetic number, because the mean of its divisors is an integer number (90480).

2⁶⁰⁶⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

606809 is a deficient number, since it is larger than the sum of its proper divisors (117031).

606809 is a wasteful number, since it uses less digits than its factorization.

606809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 606809 is about 778.9794605765. The cubic root of 606809 is about 84.6611190143.

The spelling of 606809 in words is "six hundred six thousand, eight hundred nine".