606655 has 8 divisors (see below), whose sum is σ = 832032. Its totient is φ = 415968.

The previous prime is 606653. The next prime is 606659. The reversal of 606655 is 556606.

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

It is not a de Polignac number, because 606655 - 2¹ = 606653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8632 + ... + 8701.

It is an arithmetic number, because the mean of its divisors is an integer number (104004).

2⁶⁰⁶⁶⁵⁵ is an apocalyptic number.

606655 is a deficient number, since it is larger than the sum of its proper divisors (225377).

606655 is a wasteful number, since it uses less digits than its factorization.

606655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17345.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 606655 is about 778.8806070252. The cubic root of 606655 is about 84.6539564555.

The spelling of 606655 in words is "six hundred six thousand, six hundred fifty-five".