330390 has 24 divisors (see below), whose sum is σ = 859248. Its totient is φ = 88080.

The previous prime is 330389. The next prime is 330409. The reversal of 330390 is 93033.

330390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1746 + ... + 1925.

It is an arithmetic number, because the mean of its divisors is an integer number (35802).

2³³⁰³⁹⁰ is an apocalyptic number.

330390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

330390 is an abundant number, since it is smaller than the sum of its proper divisors (528858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

330390 is a wasteful number, since it uses less digits than its factorization.

330390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684 (or 3681 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 330390 is about 574.7956158497. The cubic root of 330390 is about 69.1314444624.

The spelling of 330390 in words is "three hundred thirty thousand, three hundred ninety".