3876565 has 16 divisors (see below), whose sum is σ = 5800320. Its totient is φ = 2416320.

The previous prime is 3876557. The next prime is 3876569. The reversal of 3876565 is 5656783.

It is not a de Polignac number, because 3876565 - 2³ = 3876557 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3876569) 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 15 ways as a sum of consecutive naturals, for example, 4650 + ... + 5419.

It is an arithmetic number, because the mean of its divisors is an integer number (362520).

Almost surely, 2^3876565 is an apocalyptic number.

3876565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3876565 is a deficient number, since it is larger than the sum of its proper divisors (1923755).

3876565 is a wasteful number, since it uses less digits than its factorization.

3876565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10092.

The product of its digits is 151200, while the sum is 40.

The square root of 3876565 is about 1968.8994387728. The cubic root of 3876565 is about 157.0901749810.

The spelling of 3876565 in words is "three million, eight hundred seventy-six thousand, five hundred sixty-five".