8971873 has 2 divisors, whose sum is σ = 8971874. Its totient is φ = 8971872.

The previous prime is 8971849. The next prime is 8971883. The reversal of 8971873 is 3781798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6932689 + 2039184 = 2633^2 + 1428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8971873 is a prime.

It is not a weakly prime, because it can be changed into another prime (8971813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4485936 + 4485937.

It is an arithmetic number, because the mean of its divisors is an integer number (4485937).

Almost surely, 2^8971873 is an apocalyptic number.

It is an amenable number.

8971873 is a deficient number, since it is larger than the sum of its proper divisors (1).

8971873 is an equidigital number, since it uses as much as digits as its factorization.

8971873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 43.

The square root of 8971873 is about 2995.3084983020. The cubic root of 8971873 is about 207.7914653705.

The spelling of 8971873 in words is "eight million, nine hundred seventy-one thousand, eight hundred seventy-three".