606805 has 8 divisors (see below), whose sum is σ = 733752. Its totient is φ = 481728.

The previous prime is 606791. The next prime is 606811. The reversal of 606805 is 508606.

It can be written as a sum of positive squares in 4 ways, for example, as 1521 + 605284 = 39^2 + 778^2 .

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 606805 - 2¹³ = 598613 is a prime.

It is a super-3 number, since 3×606805³ = 670299208713330375, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 606805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399 + ... + 1171.

It is an arithmetic number, because the mean of its divisors is an integer number (91719).

2⁶⁰⁶⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

606805 is a deficient number, since it is larger than the sum of its proper divisors (126947).

606805 is a wasteful number, since it uses less digits than its factorization.

606805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 606805 is about 778.9768931104. The cubic root of 606805 is about 84.6609329891.

The spelling of 606805 in words is "six hundred six thousand, eight hundred five".