185385349 has 2 divisors, whose sum is σ = 185385350. Its totient is φ = 185385348.

The previous prime is 185385307. The next prime is 185385373. The reversal of 185385349 is 943583581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168220900 + 17164449 = 12970^2 + 4143^2 .

It is a cyclic number.

It is not a de Polignac number, because 185385349 - 2¹¹ = 185383301 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 185385299 and 185385308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185383349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92692674 + 92692675.

It is an arithmetic number, because the mean of its divisors is an integer number (92692675).

Almost surely, 2^185385349 is an apocalyptic number.

It is an amenable number.

185385349 is a deficient number, since it is larger than the sum of its proper divisors (1).

185385349 is an equidigital number, since it uses as much as digits as its factorization.

185385349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 46.

The square root of 185385349 is about 13615.6288506995. The cubic root of 185385349 is about 570.1972734632.

The spelling of 185385349 in words is "one hundred eighty-five million, three hundred eighty-five thousand, three hundred forty-nine".