3870863 has 2 divisors, whose sum is σ = 3870864. Its totient is φ = 3870862.

The previous prime is 3870847. The next prime is 3870869. The reversal of 3870863 is 3680783.

3870863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3870863 - 2⁴ = 3870847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3870869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935431 + 1935432.

It is an arithmetic number, because the mean of its divisors is an integer number (1935432).

Almost surely, 2^3870863 is an apocalyptic number.

3870863 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870863 is an equidigital number, since it uses as much as digits as its factorization.

3870863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3870863 is about 1967.4508888407. The cubic root of 3870863 is about 157.0131164072.

The spelling of 3870863 in words is "three million, eight hundred seventy thousand, eight hundred sixty-three".