3846561 has 4 divisors (see below), whose sum is σ = 5128752. Its totient is φ = 2564372.

The previous prime is 3846541. The next prime is 3846571. The reversal of 3846561 is 1656483.

3846561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3846561 - 2⁵ = 3846529 is a prime.

It is a D-number.

It is a Curzon number.

3846561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3846541) 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 3 ways as a sum of consecutive naturals, for example, 641091 + ... + 641096.

It is an arithmetic number, because the mean of its divisors is an integer number (1282188).

Almost surely, 2^3846561 is an apocalyptic number.

It is an amenable number.

3846561 is a deficient number, since it is larger than the sum of its proper divisors (1282191).

3846561 is a wasteful number, since it uses less digits than its factorization.

3846561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282190.

The product of its digits is 17280, while the sum is 33.

The square root of 3846561 is about 1961.2651529051. The cubic root of 3846561 is about 156.6838404794.

The spelling of 3846561 in words is "three million, eight hundred forty-six thousand, five hundred sixty-one".