4486561 has 8 divisors (see below), whose sum is σ = 4708800. Its totient is φ = 4268880.

The previous prime is 4486553. The next prime is 4486567. The reversal of 4486561 is 1656844.

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 4486561 - 2³ = 4486553 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4486567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970 + ... + 3148.

It is an arithmetic number, because the mean of its divisors is an integer number (588600).

Almost surely, 2^4486561 is an apocalyptic number.

It is an amenable number.

4486561 is a deficient number, since it is larger than the sum of its proper divisors (222239).

4486561 is a wasteful number, since it uses less digits than its factorization.

4486561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279.

The product of its digits is 23040, while the sum is 34.

The square root of 4486561 is about 2118.1503723768. The cubic root of 4486561 is about 164.9318481935.

It can be divided in two parts, 4486 and 561, that multiplied together give a triangular number (2516646 = T₂₂₄₃).

The spelling of 4486561 in words is "four million, four hundred eighty-six thousand, five hundred sixty-one".