8471321 has 8 divisors (see below), whose sum is σ = 9442080. Its totient is φ = 7553088.

The previous prime is 8471317. The next prime is 8471347. The reversal of 8471321 is 1231748.

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 8471321 - 2² = 8471317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8471381) 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, 12791 + ... + 13436.

It is an arithmetic number, because the mean of its divisors is an integer number (1180260).

Almost surely, 2^8471321 is an apocalyptic number.

It is an amenable number.

8471321 is a deficient number, since it is larger than the sum of its proper divisors (970759).

8471321 is a wasteful number, since it uses less digits than its factorization.

8471321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26263.

The product of its digits is 1344, while the sum is 26.

The square root of 8471321 is about 2910.5533838087. The cubic root of 8471321 is about 203.8529713998.

The spelling of 8471321 in words is "eight million, four hundred seventy-one thousand, three hundred twenty-one".