4023564 has 24 divisors (see below), whose sum is σ = 9549120. Its totient is φ = 1318224.

The previous prime is 4023563. The next prime is 4023599. The reversal of 4023564 is 4653204.

4023564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4023563) 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, 2134 + ... + 3549.

It is an arithmetic number, because the mean of its divisors is an integer number (397880).

Almost surely, 2^4023564 is an apocalyptic number.

It is an amenable number.

4023564 is an abundant number, since it is smaller than the sum of its proper divisors (5525556).

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

4023564 is a wasteful number, since it uses less digits than its factorization.

4023564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749 (or 5747 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4023564 is about 2005.8823494911. The cubic root of 4023564 is about 159.0512077457.

Adding to 4023564 its reverse (4653204), we get a palindrome (8676768).

The spelling of 4023564 in words is "four million, twenty-three thousand, five hundred sixty-four".