4499561 has 8 divisors (see below), whose sum is σ = 5167200. Its totient is φ = 3875040.

The previous prime is 4499531. The next prime is 4499567. The reversal of 4499561 is 1659944.

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 4499561 - 2¹⁸ = 4237417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4499567) 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, 10556 + ... + 10973.

It is an arithmetic number, because the mean of its divisors is an integer number (645900).

Almost surely, 2^4499561 is an apocalyptic number.

It is an amenable number.

4499561 is a deficient number, since it is larger than the sum of its proper divisors (667639).

4499561 is a wasteful number, since it uses less digits than its factorization.

4499561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21559.

The product of its digits is 38880, while the sum is 38.

The square root of 4499561 is about 2121.2168677436. The cubic root of 4499561 is about 165.0909935810.

The spelling of 4499561 in words is "four million, four hundred ninety-nine thousand, five hundred sixty-one".