8199194 has 4 divisors (see below), whose sum is σ = 12298794. Its totient is φ = 4099596.

The previous prime is 8199187. The next prime is 8199229. The reversal of 8199194 is 4919918.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7912969 + 286225 = 2813^2 + 535^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2049797 + ... + 2049800.

Almost surely, 2^8199194 is an apocalyptic number.

8199194 is a deficient number, since it is larger than the sum of its proper divisors (4099600).

8199194 is a wasteful number, since it uses less digits than its factorization.

8199194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099599.

The product of its digits is 23328, while the sum is 41.

The square root of 8199194 is about 2863.4234754922. The cubic root of 8199194 is about 201.6463603016.

The spelling of 8199194 in words is "eight million, one hundred ninety-nine thousand, one hundred ninety-four".