8173971 has 24 divisors (see below), whose sum is σ = 13387920. Its totient is φ = 4764096.

The previous prime is 8173951. The next prime is 8174011. The reversal of 8173971 is 1793718.

It is not a de Polignac number, because 8173971 - 2¹³ = 8165779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8173951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385 + ... + 4061.

It is an arithmetic number, because the mean of its divisors is an integer number (557830).

Almost surely, 2^8173971 is an apocalyptic number.

8173971 is a deficient number, since it is larger than the sum of its proper divisors (5213949).

8173971 is a wasteful number, since it uses less digits than its factorization.

8173971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715 (or 3712 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 8173971 is about 2859.0157397258. The cubic root of 8173971 is about 201.4393744880.

It can be divided in two parts, 81739 and 71, that added together give a triangular number (81810 = T₄₀₄).

The spelling of 8173971 in words is "eight million, one hundred seventy-three thousand, nine hundred seventy-one".