4085564 has 24 divisors (see below), whose sum is σ = 8279040. Its totient is φ = 1727856.

The previous prime is 4085563. The next prime is 4085567. The reversal of 4085564 is 4655804.

It is a self number, because there is not a number n which added to its sum of digits gives 4085564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (344960).

Almost surely, 2^4085564 is an apocalyptic number.

It is an amenable number.

4085564 is an abundant number, since it is smaller than the sum of its proper divisors (4193476).

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

4085564 is a wasteful number, since it uses less digits than its factorization.

4085564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937 (or 1935 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 4085564 is about 2021.2778136614. The cubic root of 4085564 is about 159.8639990144.

The spelling of 4085564 in words is "four million, eighty-five thousand, five hundred sixty-four".