330090321 has 32 divisors (see below), whose sum is σ = 490363776. Its totient is φ = 195840000.

The previous prime is 330090281. The next prime is 330090323. The reversal of 330090321 is 123090033.

It is not a de Polignac number, because 330090321 - 2¹⁰ = 330089297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (330090323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322791 + ... + 323811.

It is an arithmetic number, because the mean of its divisors is an integer number (15323868).

Almost surely, 2^330090321 is an apocalyptic number.

It is an amenable number.

330090321 is a deficient number, since it is larger than the sum of its proper divisors (160273455).

330090321 is a wasteful number, since it uses less digits than its factorization.

330090321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 330090321 is about 18168.3879582092. The cubic root of 330090321 is about 691.1053633447.

The spelling of 330090321 in words is "three hundred thirty million, ninety thousand, three hundred twenty-one".