330656 has 12 divisors (see below), whose sum is σ = 651042. Its totient is φ = 165312.

The previous prime is 330653. The next prime is 330661. The reversal of 330656 is 656033.

It can be written as a sum of positive squares in only one way, i.e., 250000 + 80656 = 500^2 + 284^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 330656.

It is not an unprimeable number, because it can be changed into a prime (330653) 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 as a sum of consecutive naturals, namely, 5135 + ... + 5198.

2³³⁰⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

330656 is a deficient number, since it is larger than the sum of its proper divisors (320386).

330656 is a wasteful number, since it uses less digits than its factorization.

330656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343 (or 10335 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 330656 is about 575.0269558899. The cubic root of 330656 is about 69.1499922709.

Adding to 330656 its reverse (656033), we get a palindrome (986689).

It can be divided in two parts, 3306 and 56, that multiplied together give a triangular number (185136 = T₆₀₈).

The spelling of 330656 in words is "three hundred thirty thousand, six hundred fifty-six".