3139841 has 2 divisors, whose sum is σ = 3139842. Its totient is φ = 3139840.

The previous prime is 3139837. The next prime is 3139847. The reversal of 3139841 is 1489313.

3139841 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., 2689600 + 450241 = 1640^2 + 671^2 .

It is a cyclic number.

It is not a de Polignac number, because 3139841 - 2² = 3139837 is a prime.

It is not a weakly prime, because it can be changed into another prime (3139847) 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, 1569920 + 1569921.

It is an arithmetic number, because the mean of its divisors is an integer number (1569921).

Almost surely, 2^3139841 is an apocalyptic number.

It is an amenable number.

3139841 is a deficient number, since it is larger than the sum of its proper divisors (1).

3139841 is an equidigital number, since it uses as much as digits as its factorization.

3139841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 3139841 is about 1771.9596496535. The cubic root of 3139841 is about 146.4319633446.

The spelling of 3139841 in words is "three million, one hundred thirty-nine thousand, eight hundred forty-one".