655536 has 40 divisors (see below), whose sum is σ = 1936384. Its totient is φ = 187200.

The previous prime is 655531. The next prime is 655541. The reversal of 655536 is 635556.

It is an interprime number because it is at equal distance from previous prime (655531) and next prime (655541).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 655536.

It is not an unprimeable number, because it can be changed into a prime (655531) by changing a digit.

655536 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640 + ... + 1311.

2⁶⁵⁵⁵³⁶ is an apocalyptic number.

It is an amenable number.

655536 is an abundant number, since it is smaller than the sum of its proper divisors (1280848).

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

655536 is a wasteful number, since it uses less digits than its factorization.

655536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969 (or 1963 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 655536 is about 809.6517770005. The cubic root of 655536 is about 86.8691387105.

The spelling of 655536 in words is "six hundred fifty-five thousand, five hundred thirty-six".