3961161 has 12 divisors (see below), whose sum is σ = 5803200. Its totient is φ = 2603160.

The previous prime is 3961159. The next prime is 3961171. The reversal of 3961161 is 1611693.

3961161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3961161 - 2¹ = 3961159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961121) 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 11 ways as a sum of consecutive naturals, for example, 2461 + ... + 3738.

It is an arithmetic number, because the mean of its divisors is an integer number (483600).

Almost surely, 2^3961161 is an apocalyptic number.

It is an amenable number.

3961161 is a deficient number, since it is larger than the sum of its proper divisors (1842039).

3961161 is a wasteful number, since it uses less digits than its factorization.

3961161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276 (or 6273 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 3961161 is about 1990.2665650611. The cubic root of 3961161 is about 158.2246577120.

The spelling of 3961161 in words is "three million, nine hundred sixty-one thousand, one hundred sixty-one".