3916849 has 2 divisors, whose sum is σ = 3916850. Its totient is φ = 3916848.

The previous prime is 3916813. The next prime is 3916879. The reversal of 3916849 is 9486193.

3916849 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., 3027600 + 889249 = 1740^2 + 943^2 .

It is an emirp because it is prime and its reverse (9486193) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3916849 - 2⁷ = 3916721 is a prime.

It is not a weakly prime, because it can be changed into another prime (3916879) 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, 1958424 + 1958425.

It is an arithmetic number, because the mean of its divisors is an integer number (1958425).

Almost surely, 2^3916849 is an apocalyptic number.

It is an amenable number.

3916849 is a deficient number, since it is larger than the sum of its proper divisors (1).

3916849 is an equidigital number, since it uses as much as digits as its factorization.

3916849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 3916849 is about 1979.1030796803. The cubic root of 3916849 is about 157.6324442339.

The spelling of 3916849 in words is "three million, nine hundred sixteen thousand, eight hundred forty-nine".