8195971 has 4 divisors (see below), whose sum is σ = 9366832. Its totient is φ = 7025112.

The previous prime is 8195969. The next prime is 8195977. The reversal of 8195971 is 1795918.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8195971 - 2¹ = 8195969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8195977) 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 3 ways as a sum of consecutive naturals, for example, 585420 + ... + 585433.

It is an arithmetic number, because the mean of its divisors is an integer number (2341708).

Almost surely, 2^8195971 is an apocalyptic number.

8195971 is a deficient number, since it is larger than the sum of its proper divisors (1170861).

8195971 is a wasteful number, since it uses less digits than its factorization.

8195971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170860.

The product of its digits is 22680, while the sum is 40.

The square root of 8195971 is about 2862.8606323047. The cubic root of 8195971 is about 201.6199352898.

The spelling of 8195971 in words is "eight million, one hundred ninety-five thousand, nine hundred seventy-one".