606845 has 4 divisors (see below), whose sum is σ = 728220. Its totient is φ = 485472.

The previous prime is 606839. The next prime is 606847. The reversal of 606845 is 548606.

606845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 219961 + 386884 = 469^2 + 622^2 .

It is a cyclic number.

It is not a de Polignac number, because 606845 - 2⁴ = 606829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606847) 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, 60680 + ... + 60689.

It is an arithmetic number, because the mean of its divisors is an integer number (182055).

2⁶⁰⁶⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

606845 is a deficient number, since it is larger than the sum of its proper divisors (121375).

606845 is a wasteful number, since it uses less digits than its factorization.

606845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121374.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 606845 is about 779.0025673899. The cubic root of 606845 is about 84.6627932039.

The spelling of 606845 in words is "six hundred six thousand, eight hundred forty-five".