8191334 has 4 divisors (see below), whose sum is σ = 12287004. Its totient is φ = 4095666.

The previous prime is 8191333. The next prime is 8191343. The reversal of 8191334 is 4331918.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4331918 = 2 ⋅2165959.

It is a junction number, because it is equal to n+sod(n) for n = 8191297 and 8191306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8191333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2047832 + ... + 2047835.

It is an arithmetic number, because the mean of its divisors is an integer number (3071751).

Almost surely, 2^8191334 is an apocalyptic number.

8191334 is a deficient number, since it is larger than the sum of its proper divisors (4095670).

8191334 is a wasteful number, since it uses less digits than its factorization.

8191334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095669.

The product of its digits is 2592, while the sum is 29.

The square root of 8191334 is about 2862.0506634230. The cubic root of 8191334 is about 201.5819048962.

The spelling of 8191334 in words is "eight million, one hundred ninety-one thousand, three hundred thirty-four".