3808805 has 32 divisors (see below), whose sum is σ = 6144768. Its totient is φ = 2188800.

The previous prime is 3808801. The next prime is 3808813. The reversal of 3808805 is 5088083.

It is a happy number.

3808805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3808805 - 2² = 3808801 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3808801) 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 in 31 ways as a sum of consecutive naturals, for example, 4625 + ... + 5385.

It is an arithmetic number, because the mean of its divisors is an integer number (192024).

Almost surely, 2^3808805 is an apocalyptic number.

3808805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3808805 is a deficient number, since it is larger than the sum of its proper divisors (2335963).

3808805 is a wasteful number, since it uses less digits than its factorization.

3808805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 3808805 is about 1951.6159970650. The cubic root of 3808805 is about 156.1695094766.

It can be divided in two parts, 380880 and 5, that multiplied together give a square (1904400 = 1380²).

The spelling of 3808805 in words is "three million, eight hundred eight thousand, eight hundred five".