8213194 has 8 divisors (see below), whose sum is σ = 13439808. Its totient is φ = 3733260.

The previous prime is 8213189. The next prime is 8213207. The reversal of 8213194 is 4913128.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186642 + ... + 186685.

It is an arithmetic number, because the mean of its divisors is an integer number (1679976).

Almost surely, 2^8213194 is an apocalyptic number.

8213194 is a deficient number, since it is larger than the sum of its proper divisors (5226614).

8213194 is a wasteful number, since it uses less digits than its factorization.

8213194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373340.

The product of its digits is 1728, while the sum is 28.

The square root of 8213194 is about 2865.8670590242. The cubic root of 8213194 is about 201.7610644134.

The spelling of 8213194 in words is "eight million, two hundred thirteen thousand, one hundred ninety-four".