3858805 has 16 divisors (see below), whose sum is σ = 4924800. Its totient is φ = 2894400.

The previous prime is 3858793. The next prime is 3858817. The reversal of 3858805 is 5088583.

It is an interprime number because it is at equal distance from previous prime (3858793) and next prime (3858817).

It is a de Polignac number, because none of the positive numbers 2^k-3858805 is a prime.

3858805 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 14211 + ... + 14479.

It is an arithmetic number, because the mean of its divisors is an integer number (307800).

Almost surely, 2^3858805 is an apocalyptic number.

It is an amenable number.

3858805 is a deficient number, since it is larger than the sum of its proper divisors (1065995).

3858805 is a wasteful number, since it uses less digits than its factorization.

3858805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 3858805 is about 1964.3841274048. The cubic root of 3858805 is about 156.8499113331.

The spelling of 3858805 in words is "three million, eight hundred fifty-eight thousand, eight hundred five".