3854897 has 2 divisors, whose sum is σ = 3854898. Its totient is φ = 3854896.

The previous prime is 3854843. The next prime is 3854899. The reversal of 3854897 is 7984583.

3854897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2307361 + 1547536 = 1519^2 + 1244^2 .

It is an emirp because it is prime and its reverse (7984583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3854897 - 2¹⁰ = 3853873 is a prime.

Together with 3854899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3854899) 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, 1927448 + 1927449.

It is an arithmetic number, because the mean of its divisors is an integer number (1927449).

Almost surely, 2^3854897 is an apocalyptic number.

It is an amenable number.

3854897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3854897 is an equidigital number, since it uses as much as digits as its factorization.

3854897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 3854897 is about 1963.3891616284. The cubic root of 3854897 is about 156.7969435967.

The spelling of 3854897 in words is "three million, eight hundred fifty-four thousand, eight hundred ninety-seven".