330830505 has 96 divisors (see below), whose sum is σ = 629980416. Its totient is φ = 160123392.

The previous prime is 330830503. The next prime is 330830537. The reversal of 330830505 is 505038033.

It is not a de Polignac number, because 330830505 - 2¹ = 330830503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (330830503) 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 95 ways as a sum of consecutive naturals, for example, 2029554 + ... + 2029716.

It is an arithmetic number, because the mean of its divisors is an integer number (6562296).

Almost surely, 2^330830505 is an apocalyptic number.

It is an amenable number.

330830505 is a deficient number, since it is larger than the sum of its proper divisors (299149911).

330830505 is a wasteful number, since it uses less digits than its factorization.

330830505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 330830505 is about 18188.7466583050. The cubic root of 330830505 is about 691.6215485803.

Adding to 330830505 its reverse (505038033), we get a palindrome (835868538).

The spelling of 330830505 in words is "three hundred thirty million, eight hundred thirty thousand, five hundred five".