8564434 has 16 divisors (see below), whose sum is σ = 13219200. Its totient is φ = 4159504.

The previous prime is 8564431. The next prime is 8564467. The reversal of 8564434 is 4344658.

It is a self number, because there is not a number n which added to its sum of digits gives 8564434.

It is not an unprimeable number, because it can be changed into a prime (8564431) 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, 16572 + ... + 17080.

It is an arithmetic number, because the mean of its divisors is an integer number (826200).

Almost surely, 2^8564434 is an apocalyptic number.

8564434 is a deficient number, since it is larger than the sum of its proper divisors (4654766).

8564434 is a wasteful number, since it uses less digits than its factorization.

8564434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737.

The product of its digits is 46080, while the sum is 34.

The square root of 8564434 is about 2926.5054245636. The cubic root of 8564434 is about 204.5971386282.

It can be divided in two parts, 8564 and 434, that added together give a palindrome (8998).

The spelling of 8564434 in words is "eight million, five hundred sixty-four thousand, four hundred thirty-four".