4405572 has 36 divisors (see below), whose sum is σ = 11351340. Its totient is φ = 1440192.

The previous prime is 4405571. The next prime is 4405579. The reversal of 4405572 is 2755044.

It can be written as a sum of positive squares in 2 ways, for example, as 3437316 + 968256 = 1854^2 + 984^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4405571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 754 + ... + 3062.

It is an arithmetic number, because the mean of its divisors is an integer number (315315).

Almost surely, 2^4405572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4405572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5675670).

4405572 is an abundant number, since it is smaller than the sum of its proper divisors (6945768).

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

4405572 is a wasteful number, since it uses less digits than its factorization.

4405572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372 (or 2367 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 4405572 is about 2098.9454495055. The cubic root of 4405572 is about 163.9333955199.

The spelling of 4405572 in words is "four million, four hundred five thousand, five hundred seventy-two".