3828447 has 24 divisors (see below), whose sum is σ = 6421376. Its totient is φ = 2152656.

The previous prime is 3828437. The next prime is 3828449. The reversal of 3828447 is 7448283.

It is not a de Polignac number, because 3828447 - 2⁴ = 3828431 is a prime.

It is a Duffinian number.

3828447 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3828449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3768 + ... + 4674.

Almost surely, 2^3828447 is an apocalyptic number.

3828447 is a deficient number, since it is larger than the sum of its proper divisors (2592929).

3828447 is a wasteful number, since it uses less digits than its factorization.

3828447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 984 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 3828447 is about 1956.6417658836. The cubic root of 3828447 is about 156.4375046056.

The spelling of 3828447 in words is "three million, eight hundred twenty-eight thousand, four hundred forty-seven".