655596 has 18 divisors (see below), whose sum is σ = 1657292. Its totient is φ = 218520.

The previous prime is 655583. The next prime is 655597. The reversal of 655596 is 695556.

655596 is a `hidden beast` number, since 65 + 5 + 596 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×655596² = 859612230432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 18211 = 655596 / (6 + 5 + 5 + 5 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 655596.

It is not an unprimeable number, because it can be changed into a prime (655597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9070 + ... + 9141.

2⁶⁵⁵⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

655596 is an abundant number, since it is smaller than the sum of its proper divisors (1001696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655596 is a wasteful number, since it uses less digits than its factorization.

655596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18221 (or 18216 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 655596 is about 809.6888291189. The cubic root of 655596 is about 86.8717889537.

The spelling of 655596 in words is "six hundred fifty-five thousand, five hundred ninety-six".