8043321 has 16 divisors (see below), whose sum is σ = 12600000. Its totient is φ = 4499520.

The previous prime is 8043271. The next prime is 8043323. The reversal of 8043321 is 1233408.

It is a happy number.

It is not a de Polignac number, because 8043321 - 2¹³ = 8035129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8043323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8946 + ... + 9803.

It is an arithmetic number, because the mean of its divisors is an integer number (787500).

Almost surely, 2^8043321 is an apocalyptic number.

It is an amenable number.

8043321 is a deficient number, since it is larger than the sum of its proper divisors (4556679).

8043321 is a wasteful number, since it uses less digits than its factorization.

8043321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18776.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 8043321 is about 2836.0749284883. The cubic root of 8043321 is about 200.3603586516.

Adding to 8043321 its reverse (1233408), we get a palindrome (9276729).

The spelling of 8043321 in words is "eight million, forty-three thousand, three hundred twenty-one".