8285321 has 8 divisors (see below), whose sum is σ = 9259488. Its totient is φ = 7348000.

The previous prime is 8285317. The next prime is 8285323. The reversal of 8285321 is 1235828.

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

It is not a de Polignac number, because 8285321 - 2² = 8285317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8285323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8735 + ... + 9636.

It is an arithmetic number, because the mean of its divisors is an integer number (1157436).

Almost surely, 2^8285321 is an apocalyptic number.

It is an amenable number.

8285321 is a deficient number, since it is larger than the sum of its proper divisors (974167).

8285321 is a wasteful number, since it uses less digits than its factorization.

8285321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18423.

The product of its digits is 3840, while the sum is 29.

The square root of 8285321 is about 2878.4233531571. The cubic root of 8285321 is about 202.3499554052.

The spelling of 8285321 in words is "eight million, two hundred eighty-five thousand, three hundred twenty-one".