4409564 has 24 divisors (see below), whose sum is σ = 8160768. Its totient is φ = 2081520.

The previous prime is 4409557. The next prime is 4409569. The reversal of 4409564 is 4659044.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4409564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4409569) 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, 4919 + ... + 5745.

It is an arithmetic number, because the mean of its divisors is an integer number (340032).

Almost surely, 2^4409564 is an apocalyptic number.

It is an amenable number.

4409564 is a deficient number, since it is larger than the sum of its proper divisors (3751204).

4409564 is a wasteful number, since it uses less digits than its factorization.

4409564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 4409564 is about 2099.8961879103. The cubic root of 4409564 is about 163.9828953012.

The spelling of 4409564 in words is "four million, four hundred nine thousand, five hundred sixty-four".