3879149 has 2 divisors, whose sum is σ = 3879150. Its totient is φ = 3879148.

The previous prime is 3879143. The next prime is 3879151. The reversal of 3879149 is 9419783.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3087049 + 792100 = 1757^2 + 890^2 .

It is a cyclic number.

It is not a de Polignac number, because 3879149 - 2⁸ = 3878893 is a prime.

Together with 3879151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3879143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939574 + 1939575.

It is an arithmetic number, because the mean of its divisors is an integer number (1939575).

Almost surely, 2^3879149 is an apocalyptic number.

It is an amenable number.

3879149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3879149 is an equidigital number, since it uses as much as digits as its factorization.

3879149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 3879149 is about 1969.5555336167. Note that the first 4 decimals coincide. The cubic root of 3879149 is about 157.1250710684.

The spelling of 3879149 in words is "three million, eight hundred seventy-nine thousand, one hundred forty-nine".