330664 has 8 divisors (see below), whose sum is σ = 620010. Its totient is φ = 165328.

The previous prime is 330661. The next prime is 330679. The reversal of 330664 is 466033.

It can be written as a sum of positive squares in only one way, i.e., 202500 + 128164 = 450^2 + 358^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (330661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20659 + ... + 20674.

2³³⁰⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

330664 is a deficient number, since it is larger than the sum of its proper divisors (289346).

330664 is a wasteful number, since it uses less digits than its factorization.

330664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41339 (or 41335 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 330664 is about 575.0339120435. The cubic root of 330664 is about 69.1505499456.

Adding to 330664 its reverse (466033), we get a palindrome (796697).

The spelling of 330664 in words is "three hundred thirty thousand, six hundred sixty-four".