3979141 has 2 divisors, whose sum is σ = 3979142. Its totient is φ = 3979140.

The previous prime is 3979133. The next prime is 3979147. The reversal of 3979141 is 1419793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2722500 + 1256641 = 1650^2 + 1121^2 .

It is a cyclic number.

It is not a de Polignac number, because 3979141 - 2³ = 3979133 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3979097 and 3979106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3979147) 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, 1989570 + 1989571.

It is an arithmetic number, because the mean of its divisors is an integer number (1989571).

Almost surely, 2^3979141 is an apocalyptic number.

It is an amenable number.

3979141 is a deficient number, since it is larger than the sum of its proper divisors (1).

3979141 is an equidigital number, since it uses as much as digits as its factorization.

3979141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 34.

The square root of 3979141 is about 1994.7784338116. The cubic root of 3979141 is about 158.4636941793.

The spelling of 3979141 in words is "three million, nine hundred seventy-nine thousand, one hundred forty-one".