8350321 has 4 divisors (see below), whose sum is σ = 9543232. Its totient is φ = 7157412.

The previous prime is 8350319. The next prime is 8350343. The reversal of 8350321 is 1230538.

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 an emirpimes, since its reverse is a distinct semiprime: 1230538 = 2 ⋅615269.

It is a cyclic number.

It is not a de Polignac number, because 8350321 - 2¹ = 8350319 is a prime.

It is a Duffinian number.

8350321 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8350292 and 8350301.

It is not an unprimeable number, because it can be changed into a prime (8350301) 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, 596445 + ... + 596458.

It is an arithmetic number, because the mean of its divisors is an integer number (2385808).

Almost surely, 2^8350321 is an apocalyptic number.

It is an amenable number.

8350321 is a deficient number, since it is larger than the sum of its proper divisors (1192911).

8350321 is a wasteful number, since it uses less digits than its factorization.

8350321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192910.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 8350321 is about 2889.6921981415. The cubic root of 8350321 is about 202.8777362408.

Adding to 8350321 its reverse (1230538), we get a palindrome (9580859).

The spelling of 8350321 in words is "eight million, three hundred fifty thousand, three hundred twenty-one".