8130393 has 12 divisors (see below), whose sum is σ = 11768640. Its totient is φ = 5408856.

The previous prime is 8130391. The next prime is 8130427. The reversal of 8130393 is 3930318.

It is not a de Polignac number, because 8130393 - 2¹ = 8130391 is a prime.

It is a super-2 number, since 2×8130393² = 132206580668898, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8130391) 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 11 ways as a sum of consecutive naturals, for example, 7780 + ... + 8762.

It is an arithmetic number, because the mean of its divisors is an integer number (980720).

Almost surely, 2^8130393 is an apocalyptic number.

It is an amenable number.

8130393 is a deficient number, since it is larger than the sum of its proper divisors (3638247).

8130393 is a wasteful number, since it uses less digits than its factorization.

8130393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1905 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 8130393 is about 2851.3844006026. The cubic root of 8130393 is about 201.0807576284.

The spelling of 8130393 in words is "eight million, one hundred thirty thousand, three hundred ninety-three".