3888081 has 20 divisors (see below), whose sum is σ = 6063552. Its totient is φ = 2478168.

The previous prime is 3888067. The next prime is 3888083. The reversal of 3888081 is 1808883.

It is not a de Polignac number, because 3888081 - 2¹⁰ = 3887057 is a prime.

It is a super-2 number, since 2×3888081² = 30234347725122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3888083) 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 19 ways as a sum of consecutive naturals, for example, 820 + ... + 2906.

Almost surely, 2^3888081 is an apocalyptic number.

It is an amenable number.

3888081 is a deficient number, since it is larger than the sum of its proper divisors (2175471).

3888081 is a wasteful number, since it uses less digits than its factorization.

3888081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122 (or 2113 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 3888081 is about 1971.8217465075. The cubic root of 3888081 is about 157.2455756205.

The spelling of 3888081 in words is "three million, eight hundred eighty-eight thousand, eighty-one".