328330920 has 64 divisors (see below), whose sum is σ = 1016778240. Its totient is φ = 84729600.

The previous prime is 328330913. The next prime is 328330921. The reversal of 328330920 is 29033823.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (328330921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40411 + ... + 47850.

It is an arithmetic number, because the mean of its divisors is an integer number (15887160).

Almost surely, 2^328330920 is an apocalyptic number.

328330920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328330920 is an abundant number, since it is smaller than the sum of its proper divisors (688447320).

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

328330920 is a wasteful number, since it uses less digits than its factorization.

328330920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88306 (or 88302 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 328330920 is about 18119.9039732555. The cubic root of 328330920 is about 689.8752977751.

The spelling of 328330920 in words is "three hundred twenty-eight million, three hundred thirty thousand, nine hundred twenty".