4036564 has 12 divisors (see below), whose sum is σ = 8073184. Its totient is φ = 1729944.

The previous prime is 4036547. The next prime is 4036567. The reversal of 4036564 is 4656304.

4036564 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 144163 = 4036564 / (4 + 0 + 3 + 6 + 5 + 6 + 4).

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4036567) 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, 72054 + ... + 72109.

Almost surely, 2^4036564 is an apocalyptic number.

It is an amenable number.

4036564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4036564 is a wasteful number, since it uses less digits than its factorization.

4036564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144174 (or 144172 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 4036564 is about 2009.1202054631. The cubic root of 4036564 is about 159.2223199601. Note that the first 3 decimals are identical.

The spelling of 4036564 in words is "four million, thirty-six thousand, five hundred sixty-four".