3855169 has 2 divisors, whose sum is σ = 3855170. Its totient is φ = 3855168.

The previous prime is 3855161. The next prime is 3855179. The reversal of 3855169 is 9615583.

3855169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3470769 + 384400 = 1863^2 + 620^2 .

It is an emirp because it is prime and its reverse (9615583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3855169 - 2³ = 3855161 is a prime.

It is a super-2 number, since 2×3855169² = 29724656037122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3855161) 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, 1927584 + 1927585.

It is an arithmetic number, because the mean of its divisors is an integer number (1927585).

Almost surely, 2^3855169 is an apocalyptic number.

It is an amenable number.

3855169 is a deficient number, since it is larger than the sum of its proper divisors (1).

3855169 is an equidigital number, since it uses as much as digits as its factorization.

3855169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 37.

The square root of 3855169 is about 1963.4584283860. The cubic root of 3855169 is about 156.8006313533.

The spelling of 3855169 in words is "three million, eight hundred fifty-five thousand, one hundred sixty-nine".