184839973 has 2 divisors, whose sum is σ = 184839974. Its totient is φ = 184839972.

The previous prime is 184839913. The next prime is 184840003. The reversal of 184839973 is 379938481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166461604 + 18378369 = 12902^2 + 4287^2 .

It is a cyclic number.

It is not a de Polignac number, because 184839973 - 2¹³ = 184831781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 184839973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (184839913) 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 as a sum of consecutive naturals, namely, 92419986 + 92419987.

It is an arithmetic number, because the mean of its divisors is an integer number (92419987).

Almost surely, 2^184839973 is an apocalyptic number.

It is an amenable number.

184839973 is a deficient number, since it is larger than the sum of its proper divisors (1).

184839973 is an equidigital number, since it uses as much as digits as its factorization.

184839973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 184839973 is about 13595.5865265166. The cubic root of 184839973 is about 569.6375791947.

The spelling of 184839973 in words is "one hundred eighty-four million, eight hundred thirty-nine thousand, nine hundred seventy-three".