3887571 has 16 divisors (see below), whose sum is σ = 5498240. Its totient is φ = 2436480.

The previous prime is 3887567. The next prime is 3887573. The reversal of 3887571 is 1757883.

It is not a de Polignac number, because 3887571 - 2² = 3887567 is a prime.

It is a super-2 number, since 2×3887571² = 30226416560082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3887573) 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, 13596 + ... + 13878.

It is an arithmetic number, because the mean of its divisors is an integer number (343640).

Almost surely, 2^3887571 is an apocalyptic number.

3887571 is a deficient number, since it is larger than the sum of its proper divisors (1610669).

3887571 is a wasteful number, since it uses less digits than its factorization.

3887571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

The product of its digits is 47040, while the sum is 39.

The square root of 3887571 is about 1971.6924202319. The cubic root of 3887571 is about 157.2387000136.

The spelling of 3887571 in words is "three million, eight hundred eighty-seven thousand, five hundred seventy-one".