8193493 has 16 divisors (see below), whose sum is σ = 10329984. Its totient is φ = 6312960.

The previous prime is 8193491. The next prime is 8193509. The reversal of 8193493 is 3943918.

It is a cyclic number.

It is not a de Polignac number, because 8193493 - 2¹ = 8193491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8193491) 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 15 ways as a sum of consecutive naturals, for example, 6921 + ... + 8017.

It is an arithmetic number, because the mean of its divisors is an integer number (645624).

Almost surely, 2^8193493 is an apocalyptic number.

It is an amenable number.

8193493 is a deficient number, since it is larger than the sum of its proper divisors (2136491).

8193493 is a wasteful number, since it uses less digits than its factorization.

8193493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212.

The product of its digits is 23328, while the sum is 37.

The square root of 8193493 is about 2862.4278156837. The cubic root of 8193493 is about 201.5996137375.

The spelling of 8193493 in words is "eight million, one hundred ninety-three thousand, four hundred ninety-three".