328359720 has 64 divisors (see below), whose sum is σ = 1060859520. Its totient is φ = 80826624.

The previous prime is 328359701. The next prime is 328359727. The reversal of 328359720 is 27953823.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (328359727) 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, 103684 + ... + 106803.

It is an arithmetic number, because the mean of its divisors is an integer number (16575930).

Almost surely, 2^328359720 is an apocalyptic number.

328359720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328359720 is an abundant number, since it is smaller than the sum of its proper divisors (732499800).

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

328359720 is a wasteful number, since it uses less digits than its factorization.

328359720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210514 (or 210510 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 328359720 is about 18120.6986620274. The cubic root of 328359720 is about 689.8954683067.

The spelling of 328359720 in words is "three hundred twenty-eight million, three hundred fifty-nine thousand, seven hundred twenty".