8872191 has 6 divisors (see below), whose sum is σ = 12815400. Its totient is φ = 5914788.

The previous prime is 8872189. The next prime is 8872211. The reversal of 8872191 is 1912788.

It is not a de Polignac number, because 8872191 - 2¹ = 8872189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8872121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 492891 + ... + 492908.

It is an arithmetic number, because the mean of its divisors is an integer number (2135900).

Almost surely, 2^8872191 is an apocalyptic number.

8872191 is a deficient number, since it is larger than the sum of its proper divisors (3943209).

8872191 is a wasteful number, since it uses less digits than its factorization.

8872191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985805 (or 985802 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 8872191 is about 2978.6223325558. The cubic root of 8872191 is about 207.0190418666.

The spelling of 8872191 in words is "eight million, eight hundred seventy-two thousand, one hundred ninety-one".