8191194 has 32 divisors (see below), whose sum is σ = 18109440. Its totient is φ = 2449200.

The previous prime is 8191193. The next prime is 8191217. The reversal of 8191194 is 4911918.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (8191193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4429 + ... + 5999.

It is an arithmetic number, because the mean of its divisors is an integer number (565920).

Almost surely, 2^8191194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8191194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9054720).

8191194 is an abundant number, since it is smaller than the sum of its proper divisors (9918246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8191194 is a wasteful number, since it uses less digits than its factorization.

8191194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666.

The product of its digits is 2592, while the sum is 33.

The square root of 8191194 is about 2862.0262053308. The cubic root of 8191194 is about 201.5807564619.

It can be divided in two parts, 8191 and 194, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 8191194 in words is "eight million, one hundred ninety-one thousand, one hundred ninety-four".