3838505 has 16 divisors (see below), whose sum is σ = 5082048. Its totient is φ = 2760000.

The previous prime is 3838477. The next prime is 3838507. The reversal of 3838505 is 5058383.

It is not a de Polignac number, because 3838505 - 2⁶ = 3838441 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5210 + ... + 5900.

It is an arithmetic number, because the mean of its divisors is an integer number (317628).

Almost surely, 2^3838505 is an apocalyptic number.

It is an amenable number.

3838505 is a deficient number, since it is larger than the sum of its proper divisors (1243543).

3838505 is a wasteful number, since it uses less digits than its factorization.

3838505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 3838505 is about 1959.2103000954. The cubic root of 3838505 is about 156.5743810397.

It can be divided in two parts, 383 and 8505, that added together give a palindrome (8888).

The spelling of 3838505 in words is "three million, eight hundred thirty-eight thousand, five hundred five".