4569664 has 28 divisors (see below), whose sum is σ = 9893808. Its totient is φ = 2076800.

The previous prime is 4569659. The next prime is 4569667. The reversal of 4569664 is 4669654.

4569664 = 356² + 357² + ... + 388².

It is not an unprimeable number, because it can be changed into a prime (4569667) 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, 2542 + ... + 3949.

Almost surely, 2^4569664 is an apocalyptic number.

4569664 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4569664 is an abundant number, since it is smaller than the sum of its proper divisors (5324144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4569664 is a wasteful number, since it uses less digits than its factorization.

4569664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6514 (or 6504 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 4569664 is about 2137.6772441133. The cubic root of 4569664 is about 165.9439497223.

Subtracting from 4569664 its product of digits (155520), we obtain a palindrome (4414144).

The spelling of 4569664 in words is "four million, five hundred sixty-nine thousand, six hundred sixty-four".