8304213 has 4 divisors (see below), whose sum is σ = 11072288. Its totient is φ = 5536140.

The previous prime is 8304209. The next prime is 8304223. The reversal of 8304213 is 3124038.

It is a happy number.

8304213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 8304213 - 2² = 8304209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8304213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8304223) 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, 1384033 + ... + 1384038.

It is an arithmetic number, because the mean of its divisors is an integer number (2768072).

Almost surely, 2^8304213 is an apocalyptic number.

It is an amenable number.

8304213 is a deficient number, since it is larger than the sum of its proper divisors (2768075).

8304213 is a wasteful number, since it uses less digits than its factorization.

8304213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768074.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 8304213 is about 2881.7031422407. The cubic root of 8304213 is about 202.5036365754.

The spelling of 8304213 in words is "eight million, three hundred four thousand, two hundred thirteen".