8446213 has 4 divisors (see below), whose sum is σ = 8457120. Its totient is φ = 8435308.

The previous prime is 8446201. The next prime is 8446223. The reversal of 8446213 is 3126448.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8446213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8446223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4195 + ... + 5872.

It is an arithmetic number, because the mean of its divisors is an integer number (2114280).

Almost surely, 2^8446213 is an apocalyptic number.

It is an amenable number.

8446213 is a deficient number, since it is larger than the sum of its proper divisors (10907).

8446213 is a wasteful number, since it uses less digits than its factorization.

8446213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10906.

The product of its digits is 4608, while the sum is 28.

The square root of 8446213 is about 2906.2369139490. The cubic root of 8446213 is about 203.6513733465.

The spelling of 8446213 in words is "eight million, four hundred forty-six thousand, two hundred thirteen".