3828855 has 16 divisors (see below), whose sum is σ = 6257664. Its totient is φ = 1998240.

The previous prime is 3828821. The next prime is 3828857. The reversal of 3828855 is 5588283.

It is not a de Polignac number, because 3828855 - 2⁸ = 3828599 is a prime.

It is a super-2 number, since 2×3828855² = 29320261222050, which contains 22 as substring.

3828855 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3828857) 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, 2011 + ... + 3420.

It is an arithmetic number, because the mean of its divisors is an integer number (391104).

Almost surely, 2^3828855 is an apocalyptic number.

3828855 is a deficient number, since it is larger than the sum of its proper divisors (2428809).

3828855 is a wasteful number, since it uses less digits than its factorization.

3828855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486.

The product of its digits is 76800, while the sum is 39.

The square root of 3828855 is about 1956.7460233766. The cubic root of 3828855 is about 156.4430616226.

The spelling of 3828855 in words is "three million, eight hundred twenty-eight thousand, eight hundred fifty-five".