330521028 has 24 divisors (see below), whose sum is σ = 772113888. Its totient is φ = 110045376.

The previous prime is 330520999. The next prime is 330521041. The reversal of 330521028 is 820125033.

It is a junction number, because it is equal to n+sod(n) for n = 330520989 and 330521007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5001 + ... + 26192.

It is an arithmetic number, because the mean of its divisors is an integer number (32171412).

Almost surely, 2^330521028 is an apocalyptic number.

It is an amenable number.

330521028 is an abundant number, since it is smaller than the sum of its proper divisors (441592860).

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

330521028 is a wasteful number, since it uses less digits than its factorization.

330521028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32083 (or 32081 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 330521028 is about 18180.2372921808. The cubic root of 330521028 is about 691.4058210549.

The spelling of 330521028 in words is "three hundred thirty million, five hundred twenty-one thousand, twenty-eight".