3829855 has 4 divisors (see below), whose sum is σ = 4595832. Its totient is φ = 3063880.

The previous prime is 3829853. The next prime is 3829873. The reversal of 3829855 is 5589283.

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

It is not a de Polignac number, because 3829855 - 2¹ = 3829853 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

3829855 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3829853) 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 in 3 ways as a sum of consecutive naturals, for example, 382981 + ... + 382990.

It is an arithmetic number, because the mean of its divisors is an integer number (1148958).

Almost surely, 2^3829855 is an apocalyptic number.

3829855 is a deficient number, since it is larger than the sum of its proper divisors (765977).

3829855 is an equidigital number, since it uses as much as digits as its factorization.

3829855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765976.

The product of its digits is 86400, while the sum is 40.

The square root of 3829855 is about 1957.0015329580. The cubic root of 3829855 is about 156.4566800928.

The spelling of 3829855 in words is "three million, eight hundred twenty-nine thousand, eight hundred fifty-five".