8117493 has 4 divisors (see below), whose sum is σ = 10823328. Its totient is φ = 5411660.

The previous prime is 8117491. The next prime is 8117507. The reversal of 8117493 is 3947118.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8117493 - 2¹ = 8117491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8117491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352913 + ... + 1352918.

It is an arithmetic number, because the mean of its divisors is an integer number (2705832).

Almost surely, 2^8117493 is an apocalyptic number.

It is an amenable number.

8117493 is a deficient number, since it is larger than the sum of its proper divisors (2705835).

8117493 is a wasteful number, since it uses less digits than its factorization.

8117493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705834.

The product of its digits is 6048, while the sum is 33.

The square root of 8117493 is about 2849.1214435331. The cubic root of 8117493 is about 200.9743537982.

The spelling of 8117493 in words is "eight million, one hundred seventeen thousand, four hundred ninety-three".