3828909 has 24 divisors (see below), whose sum is σ = 6052800. Its totient is φ = 2152080.

The previous prime is 3828901. The next prime is 3828917. The reversal of 3828909 is 9098283.

It is an interprime number because it is at equal distance from previous prime (3828901) and next prime (3828917).

It is not a de Polignac number, because 3828909 - 2³ = 3828901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3828901) 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 23 ways as a sum of consecutive naturals, for example, 62739 + ... + 62799.

It is an arithmetic number, because the mean of its divisors is an integer number (252200).

Almost surely, 2^3828909 is an apocalyptic number.

It is an amenable number.

3828909 is a deficient number, since it is larger than the sum of its proper divisors (2223891).

3828909 is an frugal number, since it uses more digits than its factorization.

3828909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 3828909 is about 1956.7598217461. The cubic root of 3828909 is about 156.4437970805.

The spelling of 3828909 in words is "three million, eight hundred twenty-eight thousand, nine hundred nine".