8171983 has 2 divisors, whose sum is σ = 8171984. Its totient is φ = 8171982.

The previous prime is 8171971. The next prime is 8171993. The reversal of 8171983 is 3891718.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8171983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8171953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4085991 + 4085992.

It is an arithmetic number, because the mean of its divisors is an integer number (4085992).

Almost surely, 2^8171983 is an apocalyptic number.

8171983 is a deficient number, since it is larger than the sum of its proper divisors (1).

8171983 is an equidigital number, since it uses as much as digits as its factorization.

8171983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 37.

The square root of 8171983 is about 2858.6680464860. The cubic root of 8171983 is about 201.4230424038.

It can be divided in two parts, 8 and 171983, that added together give a triangular number (171991 = T₅₈₆).

The spelling of 8171983 in words is "eight million, one hundred seventy-one thousand, nine hundred eighty-three".