4138564 has 12 divisors (see below), whose sum is σ = 7257600. Its totient is φ = 2064968.

The previous prime is 4138543. The next prime is 4138567. The reversal of 4138564 is 4658314.

It is a happy number.

4138564 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 (4138567) 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 3 ways as a sum of consecutive naturals, for example, 2157 + ... + 3595.

It is an arithmetic number, because the mean of its divisors is an integer number (604800).

Almost surely, 2^4138564 is an apocalyptic number.

It is an amenable number.

4138564 is a deficient number, since it is larger than the sum of its proper divisors (3119036).

4138564 is a wasteful number, since it uses less digits than its factorization.

4138564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162 (or 2160 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 4138564 is about 2034.3460865841. The cubic root of 4138564 is about 160.5523100165.

The spelling of 4138564 in words is "four million, one hundred thirty-eight thousand, five hundred sixty-four".