8346321 has 21 divisors (see below), whose sum is σ = 12631801. Its totient is φ = 5512212.

The previous prime is 8346319. The next prime is 8346341. The reversal of 8346321 is 1236438.

It is a happy number.

The square root of 8346321 is 2889.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 8346321 - 2¹ = 8346319 is a prime.

It is a super-2 number, since 2×8346321² = 139322148470082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8346311) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 77950 + ... + 78056.

Almost surely, 2^8346321 is an apocalyptic number.

8346321 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

8346321 is the 2889-th square number.

8346321 is the 1445-th centered octagonal number.

It is an amenable number.

8346321 is a deficient number, since it is larger than the sum of its proper divisors (4285480).

8346321 is an frugal number, since it uses more digits than its factorization.

8346321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 110 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The cubic root of 8346321 is about 202.8453366657.

The spelling of 8346321 in words is "eight million, three hundred forty-six thousand, three hundred twenty-one".