3838805 has 4 divisors (see below), whose sum is σ = 4606572. Its totient is φ = 3071040.

The previous prime is 3838801. The next prime is 3838811. The reversal of 3838805 is 5088383.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1249924 + 2588881 = 1118^2 + 1609^2 .

It is not a de Polignac number, because 3838805 - 2² = 3838801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383876 + ... + 383885.

It is an arithmetic number, because the mean of its divisors is an integer number (1151643).

Almost surely, 2^3838805 is an apocalyptic number.

It is an amenable number.

3838805 is a deficient number, since it is larger than the sum of its proper divisors (767767).

3838805 is an equidigital number, since it uses as much as digits as its factorization.

3838805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767766.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 3838805 is about 1959.2868600590. The cubic root of 3838805 is about 156.5784599794.

The spelling of 3838805 in words is "three million, eight hundred thirty-eight thousand, eight hundred five".