3880565 has 16 divisors (see below), whose sum is σ = 5056128. Its totient is φ = 2842176.

The previous prime is 3880561. The next prime is 3880567. The reversal of 3880565 is 5650883.

It is a cyclic number.

It is not a de Polignac number, because 3880565 - 2² = 3880561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3880561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14624 + ... + 14886.

It is an arithmetic number, because the mean of its divisors is an integer number (316008).

Almost surely, 2^3880565 is an apocalyptic number.

It is an amenable number.

3880565 is a deficient number, since it is larger than the sum of its proper divisors (1175563).

3880565 is a wasteful number, since it uses less digits than its factorization.

3880565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 3880565 is about 1969.9149727844. The cubic root of 3880565 is about 157.1441871198.

The spelling of 3880565 in words is "three million, eight hundred eighty thousand, five hundred sixty-five".