330091 has 8 divisors (see below), whose sum is σ = 345744. Its totient is φ = 314880.

The previous prime is 330067. The next prime is 330097. The reversal of 330091 is 190033.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 330091 - 2¹¹ = 328043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (43218).

2³³⁰⁰⁹¹ is an apocalyptic number.

330091 is a deficient number, since it is larger than the sum of its proper divisors (15653).

330091 is an equidigital number, since it uses as much as digits as its factorization.

330091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 330091 is about 574.5354645276. The cubic root of 330091 is about 69.1105837215.

The spelling of 330091 in words is "three hundred thirty thousand, ninety-one".