3941561 has 8 divisors (see below), whose sum is σ = 4335744. Its totient is φ = 3560400.

The previous prime is 3941551. The next prime is 3941611. The reversal of 3941561 is 1651493.

3941561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3941561 - 2¹⁴ = 3925177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3941551) 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 in 7 ways as a sum of consecutive naturals, for example, 2615 + ... + 3836.

It is an arithmetic number, because the mean of its divisors is an integer number (541968).

Almost surely, 2^3941561 is an apocalyptic number.

It is an amenable number.

3941561 is a deficient number, since it is larger than the sum of its proper divisors (394183).

3941561 is a wasteful number, since it uses less digits than its factorization.

3941561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511.

The product of its digits is 3240, while the sum is 29.

The square root of 3941561 is about 1985.3364954083. The cubic root of 3941561 is about 157.9632585614.

The spelling of 3941561 in words is "three million, nine hundred forty-one thousand, five hundred sixty-one".