8894561 has 8 divisors (see below), whose sum is σ = 9909480. Its totient is φ = 7926912.

The previous prime is 8894533. The next prime is 8894563. The reversal of 8894561 is 1654988.

8894561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14161 + 8880400 = 119^2 + 2980^2 .

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 8894561 - 2⁶ = 8894497 is a prime.

It is a super-2 number, since 2×8894561² = 158226430765442, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8894563) 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 7 ways as a sum of consecutive naturals, for example, 11420 + ... + 12173.

It is an arithmetic number, because the mean of its divisors is an integer number (1238685).

Almost surely, 2^8894561 is an apocalyptic number.

It is an amenable number.

8894561 is a deficient number, since it is larger than the sum of its proper divisors (1014919).

8894561 is a wasteful number, since it uses less digits than its factorization.

8894561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23635.

The product of its digits is 69120, while the sum is 41.

The square root of 8894561 is about 2982.3750602498. The cubic root of 8894561 is about 207.1928857816.

It can be divided in two parts, 88 and 94561, that added together give a palindrome (94649).

The spelling of 8894561 in words is "eight million, eight hundred ninety-four thousand, five hundred sixty-one".