184472993 has 2 divisors, whose sum is σ = 184472994. Its totient is φ = 184472992.

The previous prime is 184472989. The next prime is 184473007. The reversal of 184472993 is 399274481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146119744 + 38353249 = 12088^2 + 6193^2 .

It is an emirp because it is prime and its reverse (399274481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 184472993 - 2² = 184472989 is a prime.

It is not a weakly prime, because it can be changed into another prime (184472963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92236496 + 92236497.

It is an arithmetic number, because the mean of its divisors is an integer number (92236497).

Almost surely, 2^184472993 is an apocalyptic number.

It is an amenable number.

184472993 is a deficient number, since it is larger than the sum of its proper divisors (1).

184472993 is an equidigital number, since it uses as much as digits as its factorization.

184472993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 184472993 is about 13582.0835294148. The cubic root of 184472993 is about 569.2603445989.

The spelling of 184472993 in words is "one hundred eighty-four million, four hundred seventy-two thousand, nine hundred ninety-three".