3977741 has 2 divisors, whose sum is σ = 3977742. Its totient is φ = 3977740.

The previous prime is 3977731. The next prime is 3977761. The reversal of 3977741 is 1477793.

3977741 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., 3407716 + 570025 = 1846^2 + 755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3977741 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3977695 and 3977704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3977731) 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, 1988870 + 1988871.

It is an arithmetic number, because the mean of its divisors is an integer number (1988871).

Almost surely, 2^3977741 is an apocalyptic number.

It is an amenable number.

3977741 is a deficient number, since it is larger than the sum of its proper divisors (1).

3977741 is an equidigital number, since it uses as much as digits as its factorization.

3977741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044, while the sum is 38.

The square root of 3977741 is about 1994.4274867741. The cubic root of 3977741 is about 158.4451076556.

The spelling of 3977741 in words is "three million, nine hundred seventy-seven thousand, seven hundred forty-one".