8493791 has 8 divisors (see below), whose sum is σ = 8669184. Its totient is φ = 8319960.

The previous prime is 8493773. The next prime is 8493799. The reversal of 8493791 is 1973948.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8493791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8493799) 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 7 ways as a sum of consecutive naturals, for example, 21986 + ... + 22368.

It is an arithmetic number, because the mean of its divisors is an integer number (1083648).

Almost surely, 2^8493791 is an apocalyptic number.

8493791 is a deficient number, since it is larger than the sum of its proper divisors (175393).

8493791 is a wasteful number, since it uses less digits than its factorization.

8493791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781.

The product of its digits is 54432, while the sum is 41.

The square root of 8493791 is about 2914.4109181788. The cubic root of 8493791 is about 204.0330508413.

The spelling of 8493791 in words is "eight million, four hundred ninety-three thousand, seven hundred ninety-one".