4444561 has 4 divisors (see below), whose sum is σ = 4848624. Its totient is φ = 4040500.

The previous prime is 4444549. The next prime is 4444591. The reversal of 4444561 is 1654444.

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 4444561 - 2⁹ = 4444049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4444591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202015 + ... + 202036.

It is an arithmetic number, because the mean of its divisors is an integer number (1212156).

Almost surely, 2^4444561 is an apocalyptic number.

It is an amenable number.

4444561 is a deficient number, since it is larger than the sum of its proper divisors (404063).

4444561 is a wasteful number, since it uses less digits than its factorization.

4444561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404062.

The product of its digits is 7680, while the sum is 28.

The square root of 4444561 is about 2108.2127501749. The cubic root of 4444561 is about 164.4155755297.

It can be divided in two parts, 4444 and 561, that added together give a palindrome (5005).

The spelling of 4444561 in words is "four million, four hundred forty-four thousand, five hundred sixty-one".