8193845 has 16 divisors (see below), whose sum is σ = 11292480. Its totient is φ = 5644800.

The previous prime is 8193817. The next prime is 8193851. The reversal of 8193845 is 5483918.

It is not a de Polignac number, because 8193845 - 2⁶ = 8193781 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8193799 and 8193808.

It is a congruent number.

It is an unprimeable number.

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, 2876 + ... + 4965.

It is an arithmetic number, because the mean of its divisors is an integer number (705780).

Almost surely, 2^8193845 is an apocalyptic number.

It is an amenable number.

8193845 is a deficient number, since it is larger than the sum of its proper divisors (3098635).

8193845 is a wasteful number, since it uses less digits than its factorization.

8193845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7876.

The product of its digits is 34560, while the sum is 38.

The square root of 8193845 is about 2862.4893012901. The cubic root of 8193845 is about 201.6025006645.

It can be divided in two parts, 819 and 3845, that added together give a palindrome (4664).

The spelling of 8193845 in words is "eight million, one hundred ninety-three thousand, eight hundred forty-five".