3888887 has 2 divisors, whose sum is σ = 3888888. Its totient is φ = 3888886.

The previous prime is 3888851. The next prime is 3888889. The reversal of 3888887 is 7888883.

It is a strong prime.

It is an emirp because it is prime and its reverse (7888883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3888887 - 2⁶ = 3888823 is a prime.

Together with 3888889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3888889) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1944443 + 1944444.

It is an arithmetic number, because the mean of its divisors is an integer number (1944444).

Almost surely, 2^3888887 is an apocalyptic number.

3888887 is a deficient number, since it is larger than the sum of its proper divisors (1).

3888887 is an equidigital number, since it uses as much as digits as its factorization.

3888887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688128, while the sum is 50.

The square root of 3888887 is about 1972.0261154457. The cubic root of 3888887 is about 157.2564405500.

The spelling of 3888887 in words is "three million, eight hundred eighty-eight thousand, eight hundred eighty-seven".