3886881 has 8 divisors (see below), whose sum is σ = 5191680. Its totient is φ = 2586672.

The previous prime is 3886867. The next prime is 3886889. The reversal of 3886881 is 1886883.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3886881 - 2¹¹ = 3884833 is a prime.

It is a super-2 number, since 2×3886881² = 30215687816322, which contains 22 as substring.

It is a Curzon number.

3886881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3886889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2400 + ... + 3678.

It is an arithmetic number, because the mean of its divisors is an integer number (648960).

Almost surely, 2^3886881 is an apocalyptic number.

It is an amenable number.

3886881 is a deficient number, since it is larger than the sum of its proper divisors (1304799).

3886881 is a wasteful number, since it uses less digits than its factorization.

3886881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295.

The product of its digits is 73728, while the sum is 42.

The square root of 3886881 is about 1971.5174358854. The cubic root of 3886881 is about 157.2293967646.

The spelling of 3886881 in words is "three million, eight hundred eighty-six thousand, eight hundred eighty-one".