328827281 has 8 divisors (see below), whose sum is σ = 346614720. Its totient is φ = 311087952.

The previous prime is 328827269. The next prime is 328827287. The reversal of 328827281 is 182728823.

It is a happy number.

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 328827281 - 2⁶ = 328827217 is a prime.

It is a super-2 number, since 2×328827281² = 216254761459705922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (328827287) 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, 2471 + ... + 25763.

It is an arithmetic number, because the mean of its divisors is an integer number (43326840).

Almost surely, 2^328827281 is an apocalyptic number.

It is an amenable number.

328827281 is a deficient number, since it is larger than the sum of its proper divisors (17787439).

328827281 is a wasteful number, since it uses less digits than its factorization.

328827281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24055.

The product of its digits is 86016, while the sum is 41.

The square root of 328827281 is about 18133.5953688175. The cubic root of 328827281 is about 690.2227671111. Note that the first 3 decimals are identical.

The spelling of 328827281 in words is "three hundred twenty-eight million, eight hundred twenty-seven thousand, two hundred eighty-one".