330870005 has 4 divisors (see below), whose sum is σ = 397044012. Its totient is φ = 264696000.

The previous prime is 330869999. The next prime is 330870013. The reversal of 330870005 is 500078033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 238671601 + 92198404 = 15449^2 + 9602^2 .

It is not a de Polignac number, because 330870005 - 2⁶ = 330869941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33086996 + ... + 33087005.

It is an arithmetic number, because the mean of its divisors is an integer number (99261003).

Almost surely, 2^330870005 is an apocalyptic number.

It is an amenable number.

330870005 is a deficient number, since it is larger than the sum of its proper divisors (66174007).

330870005 is an equidigital number, since it uses as much as digits as its factorization.

330870005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66174006.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 330870005 is about 18189.8324621202. The cubic root of 330870005 is about 691.6490732126.

The spelling of 330870005 in words is "three hundred thirty million, eight hundred seventy thousand, five".