9444564 has 18 divisors (see below), whose sum is σ = 23873850. Its totient is φ = 3148176.

The previous prime is 9444557. The next prime is 9444587. The reversal of 9444564 is 4654449.

9444564 is a `hidden beast` number, since 94 + 4 + 4 + 564 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6051600 + 3392964 = 2460^2 + 1842^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 262349 = 9444564 / (9 + 4 + 4 + 4 + 5 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131139 + ... + 131210.

It is an arithmetic number, because the mean of its divisors is an integer number (1326325).

Almost surely, 2^9444564 is an apocalyptic number.

It is an amenable number.

9444564 is an abundant number, since it is smaller than the sum of its proper divisors (14429286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9444564 is a wasteful number, since it uses less digits than its factorization.

9444564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262359 (or 262354 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 9444564 is about 3073.2009371338. The cubic root of 9444564 is about 211.3784154393.

The spelling of 9444564 in words is "nine million, four hundred forty-four thousand, five hundred sixty-four".