330285021 has 24 divisors (see below), whose sum is σ = 491937696. Its totient is φ = 195481440.

The previous prime is 330285019. The next prime is 330285041. The reversal of 330285021 is 120582033.

It is not a de Polignac number, because 330285021 - 2¹ = 330285019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330284982 and 330285000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330285001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58311 + ... + 63723.

It is an arithmetic number, because the mean of its divisors is an integer number (20497404).

Almost surely, 2^330285021 is an apocalyptic number.

It is an amenable number.

330285021 is a deficient number, since it is larger than the sum of its proper divisors (161652675).

330285021 is a wasteful number, since it uses less digits than its factorization.

330285021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513 (or 5470 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 330285021 is about 18173.7453762289. The cubic root of 330285021 is about 691.2412168354.

The spelling of 330285021 in words is "three hundred thirty million, two hundred eighty-five thousand, twenty-one".