330778 has 8 divisors (see below), whose sum is σ = 567072. Its totient is φ = 141756.

The previous prime is 330767. The next prime is 330787. The reversal of 330778 is 877033.

330778 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

330778 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11800 + ... + 11827.

It is an arithmetic number, because the mean of its divisors is an integer number (70884).

2³³⁰⁷⁷⁸ is an apocalyptic number.

330778 is a deficient number, since it is larger than the sum of its proper divisors (236294).

330778 is a wasteful number, since it uses less digits than its factorization.

330778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23636.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 330778 is about 575.1330280900. The cubic root of 330778 is about 69.1584958332.

The spelling of 330778 in words is "three hundred thirty thousand, seven hundred seventy-eight".