8191048 has 16 divisors (see below), whose sum is σ = 15398460. Its totient is φ = 4084800.

The previous prime is 8190997. The next prime is 8191049. The reversal of 8191048 is 8401918.

It can be written as a sum of positive squares in 2 ways, for example, as 8191044 + 4 = 2862^2 + 2^2 .

It is not an unprimeable number, because it can be changed into a prime (8191049) by changing a digit.

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, 2578 + ... + 4798.

Almost surely, 2^8191048 is an apocalyptic number.

It is an amenable number.

8191048 is a deficient number, since it is larger than the sum of its proper divisors (7207412).

8191048 is a wasteful number, since it uses less digits than its factorization.

8191048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 2684 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 8191048 is about 2862.0006988119. Note that the first 3 decimals coincide. The cubic root of 8191048 is about 201.5795587950.

The spelling of 8191048 in words is "eight million, one hundred ninety-one thousand, forty-eight".