8791993 has 8 divisors (see below), whose sum is σ = 10080512. Its totient is φ = 7511616.

The previous prime is 8791987. The next prime is 8792027. The reversal of 8791993 is 3991978.

8791993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8791993 - 2¹⁷ = 8660921 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8791933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496 + ... + 4222.

It is an arithmetic number, because the mean of its divisors is an integer number (1260064).

Almost surely, 2^8791993 is an apocalyptic number.

It is an amenable number.

8791993 is a deficient number, since it is larger than the sum of its proper divisors (1288519).

8791993 is a wasteful number, since it uses less digits than its factorization.

8791993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071.

The product of its digits is 122472, while the sum is 46.

The square root of 8791993 is about 2965.1295081328. The cubic root of 8791993 is about 206.3933869168.

The spelling of 8791993 in words is "eight million, seven hundred ninety-one thousand, nine hundred ninety-three".