3858859 has 2 divisors, whose sum is σ = 3858860. Its totient is φ = 3858858.

The previous prime is 3858851. The next prime is 3858889. The reversal of 3858859 is 9588583.

It is a weak prime.

It is an emirp because it is prime and its reverse (9588583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3858859 - 2³ = 3858851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3858851) 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 as a sum of consecutive naturals, namely, 1929429 + 1929430.

It is an arithmetic number, because the mean of its divisors is an integer number (1929430).

Almost surely, 2^3858859 is an apocalyptic number.

3858859 is a deficient number, since it is larger than the sum of its proper divisors (1).

3858859 is an equidigital number, since it uses as much as digits as its factorization.

3858859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 46.

The square root of 3858859 is about 1964.3978721227. The cubic root of 3858859 is about 156.8506429807.

The spelling of 3858859 in words is "three million, eight hundred fifty-eight thousand, eight hundred fifty-nine".