8197845 has 8 divisors (see below), whose sum is σ = 13116576. Its totient is φ = 4372176.

The previous prime is 8197837. The next prime is 8197901. The reversal of 8197845 is 5487918.

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

It is not a de Polignac number, because 8197845 - 2³ = 8197837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8197797 and 8197806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273247 + ... + 273276.

It is an arithmetic number, because the mean of its divisors is an integer number (1639572).

Almost surely, 2^8197845 is an apocalyptic number.

It is an amenable number.

8197845 is a deficient number, since it is larger than the sum of its proper divisors (4918731).

8197845 is a wasteful number, since it uses less digits than its factorization.

8197845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546531.

The product of its digits is 80640, while the sum is 42.

The square root of 8197845 is about 2863.1879086082. The cubic root of 8197845 is about 201.6353008462.

The spelling of 8197845 in words is "eight million, one hundred ninety-seven thousand, eight hundred forty-five".