8748405 has 20 divisors (see below), whose sum is σ = 15683052. Its totient is φ = 4665600.

The previous prime is 8748403. The next prime is 8748413. The reversal of 8748405 is 5048478.

It can be written as a sum of positive squares in 2 ways, for example, as 5731236 + 3017169 = 2394^2 + 1737^2 .

It is not a de Polignac number, because 8748405 - 2¹ = 8748403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8748405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8748403) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10396 + ... + 11205.

Almost surely, 2^8748405 is an apocalyptic number.

It is an amenable number.

8748405 is a deficient number, since it is larger than the sum of its proper divisors (6934647).

8748405 is a wasteful number, since it uses less digits than its factorization.

8748405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21618 (or 21609 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 8748405 is about 2957.7702750552. The cubic root of 8748405 is about 206.0517433723.

The spelling of 8748405 in words is "eight million, seven hundred forty-eight thousand, four hundred five".