3879397 has 2 divisors, whose sum is σ = 3879398. Its totient is φ = 3879396.

The previous prime is 3879361. The next prime is 3879437. The reversal of 3879397 is 7939783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2405601 + 1473796 = 1551^2 + 1214^2 .

It is an emirp because it is prime and its reverse (7939783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3879397 - 2⁷ = 3879269 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3879307) 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, 1939698 + 1939699.

It is an arithmetic number, because the mean of its divisors is an integer number (1939699).

Almost surely, 2^3879397 is an apocalyptic number.

It is an amenable number.

3879397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3879397 is an equidigital number, since it uses as much as digits as its factorization.

3879397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 46.

The square root of 3879397 is about 1969.6184909774. The cubic root of 3879397 is about 157.1284194134.

The spelling of 3879397 in words is "three million, eight hundred seventy-nine thousand, three hundred ninety-seven".