8440563 has 8 divisors (see below), whose sum is σ = 11743488. Its totient is φ = 5382344.

The previous prime is 8440561. The next prime is 8440567. The reversal of 8440563 is 3650448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8440563 - 2¹ = 8440561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8440563.

It is not an unprimeable number, because it can be changed into a prime (8440561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61095 + ... + 61232.

It is an arithmetic number, because the mean of its divisors is an integer number (1467936).

Almost surely, 2^8440563 is an apocalyptic number.

8440563 is a deficient number, since it is larger than the sum of its proper divisors (3302925).

8440563 is a wasteful number, since it uses less digits than its factorization.

8440563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122353.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 8440563 is about 2905.2647039470. The cubic root of 8440563 is about 203.6059531121.

The spelling of 8440563 in words is "eight million, four hundred forty thousand, five hundred sixty-three".