328887121 has 8 divisors (see below), whose sum is σ = 334421280. Its totient is φ = 323371488.

The previous prime is 328887113. The next prime is 328887127. The reversal of 328887121 is 121788823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328887121 - 2³ = 328887113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328887127) 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, 33810 + ... + 42436.

It is an arithmetic number, because the mean of its divisors is an integer number (41802660).

Almost surely, 2^328887121 is an apocalyptic number.

It is an amenable number.

328887121 is a deficient number, since it is larger than the sum of its proper divisors (5534159).

328887121 is an equidigital number, since it uses as much as digits as its factorization.

328887121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9263.

The product of its digits is 43008, while the sum is 40.

The square root of 328887121 is about 18135.2452699157. The cubic root of 328887121 is about 690.2646334926.

It can be divided in two parts, 3288 and 87121, that added together give a palindrome (90409).

The spelling of 328887121 in words is "three hundred twenty-eight million, eight hundred eighty-seven thousand, one hundred twenty-one".