8465564 has 48 divisors (see below), whose sum is σ = 16934400. Its totient is φ = 3681216.

The previous prime is 8465537. The next prime is 8465581. The reversal of 8465564 is 4655648.

It is a Harshad number since it is a multiple of its sum of digits (38).

Its product of digits (115200) is a multiple of the sum of its prime divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50609 + ... + 50775.

It is an arithmetic number, because the mean of its divisors is an integer number (352800).

Almost surely, 2^8465564 is an apocalyptic number.

It is an amenable number.

8465564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

8465564 is a wasteful number, since it uses less digits than its factorization.

8465564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 240 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 8465564 is about 2909.5642285401. The cubic root of 8465564 is about 203.8067823223.

8465564 divided by its sum of digits (38) gives a triangular number (222778 = T₆₆₇).

The spelling of 8465564 in words is "eight million, four hundred sixty-five thousand, five hundred sixty-four".