4686561 has 12 divisors (see below), whose sum is σ = 7385040. Its totient is φ = 2840280.

The previous prime is 4686557. The next prime is 4686571. The reversal of 4686561 is 1656864.

It is not a de Polignac number, because 4686561 - 2² = 4686557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4686541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23571 + ... + 23768.

It is an arithmetic number, because the mean of its divisors is an integer number (615420).

Almost surely, 2^4686561 is an apocalyptic number.

It is an amenable number.

4686561 is a deficient number, since it is larger than the sum of its proper divisors (2698479).

4686561 is a wasteful number, since it uses less digits than its factorization.

4686561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47356 (or 47353 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 4686561 is about 2164.8466458389. The cubic root of 4686561 is about 167.3470617069.

The spelling of 4686561 in words is "four million, six hundred eighty-six thousand, five hundred sixty-one".