328220090 has 16 divisors (see below), whose sum is σ = 644505120. Its totient is φ = 119352720.

The previous prime is 328220063. The next prime is 328220099. The reversal of 328220090 is 90022823.

It is not an unprimeable number, because it can be changed into a prime (328220099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491800 + ... + 1492019.

It is an arithmetic number, because the mean of its divisors is an integer number (40281570).

Almost surely, 2^328220090 is an apocalyptic number.

328220090 is a deficient number, since it is larger than the sum of its proper divisors (316285030).

328220090 is a wasteful number, since it uses less digits than its factorization.

328220090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983837.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 328220090 is about 18116.8454759652. The cubic root of 328220090 is about 689.7976652411.

The spelling of 328220090 in words is "three hundred twenty-eight million, two hundred twenty thousand, ninety".