330608690 has 32 divisors (see below), whose sum is σ = 647143344. Its totient is φ = 121098240.

The previous prime is 330608659. The next prime is 330608699. The reversal of 330608690 is 96806033.

It can be written as a sum of positive squares in 8 ways, for example, as 305096089 + 25512601 = 17467^2 + 5051^2 .

It is a super-2 number, since 2×330608690² = 218604211807032200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 330608690.

It is not an unprimeable number, because it can be changed into a prime (330608699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19991 + ... + 32570.

Almost surely, 2^330608690 is an apocalyptic number.

330608690 is a deficient number, since it is larger than the sum of its proper divisors (316534654).

330608690 is a wasteful number, since it uses less digits than its factorization.

330608690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52622.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 330608690 is about 18182.6480469705. The cubic root of 330608690 is about 691.4669413814.

The spelling of 330608690 in words is "three hundred thirty million, six hundred eight thousand, six hundred ninety".