8193397934 has 32 divisors (see below), whose sum is σ = 12939230304. Its totient is φ = 3886686720.

The previous prime is 8193397913. The next prime is 8193397957. The reversal of 8193397934 is 4397933918.

It is a self number, because there is not a number n which added to its sum of digits gives 8193397934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816572 + ... + 826544.

It is an arithmetic number, because the mean of its divisors is an integer number (404350947).

Almost surely, 2^8193397934 is an apocalyptic number.

8193397934 is a deficient number, since it is larger than the sum of its proper divisors (4745832370).

8193397934 is a wasteful number, since it uses less digits than its factorization.

8193397934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10292.

The product of its digits is 4408992, while the sum is 56.

The square root of 8193397934 is about 90517.3902297233. The cubic root of 8193397934 is about 2015.9883403980.

The spelling of 8193397934 in words is "eight billion, one hundred ninety-three million, three hundred ninety-seven thousand, nine hundred thirty-four".