3888005 has 16 divisors (see below), whose sum is σ = 5128704. Its totient is φ = 2806080.

The previous prime is 3887999. The next prime is 3888007. The reversal of 3888005 is 5008883.

It is a happy number.

It is not a de Polignac number, because 3888005 - 2⁸ = 3887749 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3888007) 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, 12107 + ... + 12423.

It is an arithmetic number, because the mean of its divisors is an integer number (320544).

Almost surely, 2^3888005 is an apocalyptic number.

It is an amenable number.

3888005 is a deficient number, since it is larger than the sum of its proper divisors (1240699).

3888005 is a wasteful number, since it uses less digits than its factorization.

3888005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 3888005 is about 1971.8024748945. The cubic root of 3888005 is about 157.2445510584.

The spelling of 3888005 in words is "three million, eight hundred eighty-eight thousand, five".