655606 has 8 divisors (see below), whose sum is σ = 1123920. Its totient is φ = 280968.

The previous prime is 655601. The next prime is 655637. The reversal of 655606 is 606556.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655601) 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, 23401 + ... + 23428.

It is an arithmetic number, because the mean of its divisors is an integer number (140490).

2⁶⁵⁵⁶⁰⁶ is an apocalyptic number.

655606 is a deficient number, since it is larger than the sum of its proper divisors (468314).

655606 is a wasteful number, since it uses less digits than its factorization.

655606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46838.

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

The square root of 655606 is about 809.6950043072. The cubic root of 655606 is about 86.8722306451.

It can be divided in two parts, 65 and 5606, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 655606 in words is "six hundred fifty-five thousand, six hundred six".