8109893 has 4 divisors (see below), whose sum is σ = 8847168. Its totient is φ = 7372620.

The previous prime is 8109887. The next prime is 8109917. The reversal of 8109893 is 3989018.

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 8109893 - 2¹⁰ = 8108869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8109853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368621 + ... + 368642.

It is an arithmetic number, because the mean of its divisors is an integer number (2211792).

Almost surely, 2^8109893 is an apocalyptic number.

It is an amenable number.

8109893 is a deficient number, since it is larger than the sum of its proper divisors (737275).

8109893 is a wasteful number, since it uses less digits than its factorization.

8109893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737274.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 8109893 is about 2847.7873867268. The cubic root of 8109893 is about 200.9116134910.

It can be divided in two parts, 8 and 109893, that added together give a palindrome (109901).

The spelling of 8109893 in words is "eight million, one hundred nine thousand, eight hundred ninety-three".