8344321 has 4 divisors (see below), whose sum is σ = 8350144. Its totient is φ = 8338500.

The previous prime is 8344319. The next prime is 8344327. The reversal of 8344321 is 1234438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8344321 - 2¹ = 8344319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8344327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916 + ... + 4186.

It is an arithmetic number, because the mean of its divisors is an integer number (2087536).

Almost surely, 2^8344321 is an apocalyptic number.

It is an amenable number.

8344321 is a deficient number, since it is larger than the sum of its proper divisors (5823).

8344321 is a wasteful number, since it uses less digits than its factorization.

8344321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822.

The product of its digits is 2304, while the sum is 25.

The square root of 8344321 is about 2888.6538387283. The cubic root of 8344321 is about 202.8291329961.

Adding to 8344321 its reverse (1234438), we get a palindrome (9578759).

The spelling of 8344321 in words is "eight million, three hundred forty-four thousand, three hundred twenty-one".