3857564 has 12 divisors (see below), whose sum is σ = 6814584. Its totient is φ = 1910544.

The previous prime is 3857561. The next prime is 3857569. The reversal of 3857564 is 4657583.

It is a d-powerful number, because it can be written as 3⁷ + 8⁷ + 5³ + 7³ + 5⁷ + 6⁸ + 4² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4079 + ... + 4934.

It is an arithmetic number, because the mean of its divisors is an integer number (567882).

Almost surely, 2^3857564 is an apocalyptic number.

It is an amenable number.

3857564 is a deficient number, since it is larger than the sum of its proper divisors (2957020).

3857564 is a wasteful number, since it uses less digits than its factorization.

3857564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9124 (or 9122 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 3857564 is about 1964.0682269208. The cubic root of 3857564 is about 156.8330951071.

The spelling of 3857564 in words is "three million, eight hundred fifty-seven thousand, five hundred sixty-four".