8346221 has 8 divisors (see below), whose sum is σ = 9031680. Its totient is φ = 7666992.

The previous prime is 8346211. The next prime is 8346227. The reversal of 8346221 is 1226438.

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 8346221 - 2⁶ = 8346157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8346227) 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, 1460 + ... + 4338.

It is an arithmetic number, because the mean of its divisors is an integer number (1128960).

Almost surely, 2^8346221 is an apocalyptic number.

It is an amenable number.

8346221 is a deficient number, since it is larger than the sum of its proper divisors (685459).

8346221 is a wasteful number, since it uses less digits than its factorization.

8346221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115.

The product of its digits is 2304, while the sum is 26.

The square root of 8346221 is about 2888.9826929215. The cubic root of 8346221 is about 202.8445265437.

The spelling of 8346221 in words is "eight million, three hundred forty-six thousand, two hundred twenty-one".