3887867 has 2 divisors, whose sum is σ = 3887868. Its totient is φ = 3887866.

The previous prime is 3887861. The next prime is 3887881. The reversal of 3887867 is 7687883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3887867 - 2¹⁰ = 3886843 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 3887867 parts by 2788 straight cuts.

It is not a weakly prime, because it can be changed into another prime (3887861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943933 + 1943934.

It is an arithmetic number, because the mean of its divisors is an integer number (1943934).

Almost surely, 2^3887867 is an apocalyptic number.

3887867 is a deficient number, since it is larger than the sum of its proper divisors (1).

3887867 is an equidigital number, since it uses as much as digits as its factorization.

3887867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 47.

The square root of 3887867 is about 1971.7674812208. The cubic root of 3887867 is about 157.2426906351.

The spelling of 3887867 in words is "three million, eight hundred eighty-seven thousand, eight hundred sixty-seven".