8744245 has 4 divisors (see below), whose sum is σ = 10493100. Its totient is φ = 6995392.

The previous prime is 8744243. The next prime is 8744261. The reversal of 8744245 is 5424478.

It is a happy number.

8744245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5424478 = 2 ⋅2712239.

It can be written as a sum of positive squares in 2 ways, for example, as 5391684 + 3352561 = 2322^2 + 1831^2 .

It is a cyclic number.

It is not a de Polignac number, because 8744245 - 2¹ = 8744243 is a prime.

8744245 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8744245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8744243) 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, 874420 + ... + 874429.

It is an arithmetic number, because the mean of its divisors is an integer number (2623275).

Almost surely, 2^8744245 is an apocalyptic number.

It is an amenable number.

8744245 is a deficient number, since it is larger than the sum of its proper divisors (1748855).

8744245 is a wasteful number, since it uses less digits than its factorization.

8744245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748854.

The product of its digits is 35840, while the sum is 34.

The square root of 8744245 is about 2957.0669589984. The cubic root of 8744245 is about 206.0190779453.

The spelling of 8744245 in words is "eight million, seven hundred forty-four thousand, two hundred forty-five".