330056928 has 72 divisors (see below), whose sum is σ = 941908968. Its totient is φ = 109631232.

The previous prime is 330056927. The next prime is 330057019. The reversal of 330056928 is 829650033.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 330056892 and 330056901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330056927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86550 + ... + 90282.

It is an arithmetic number, because the mean of its divisors is an integer number (13082069).

Almost surely, 2^330056928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 330056928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470954484).

330056928 is an abundant number, since it is smaller than the sum of its proper divisors (611852040).

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

330056928 is a wasteful number, since it uses less digits than its factorization.

330056928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056 (or 4045 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 330056928 is about 18167.4689486455. The cubic root of 330056928 is about 691.0820577440.

The spelling of 330056928 in words is "three hundred thirty million, fifty-six thousand, nine hundred twenty-eight".