3828438 has 32 divisors (see below), whose sum is σ = 8785920. Its totient is φ = 1234440.

The previous prime is 3828437. The next prime is 3828449. The reversal of 3828438 is 8348283.

It is a happy 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 (3828431) 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 15 ways as a sum of consecutive naturals, for example, 531 + ... + 2817.

It is an arithmetic number, because the mean of its divisors is an integer number (274560).

Almost surely, 2^3828438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3828438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4392960).

3828438 is an abundant number, since it is smaller than the sum of its proper divisors (4957482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3828438 is a wasteful number, since it uses less digits than its factorization.

3828438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329 (or 2323 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 3828438 is about 1956.6394660233. The cubic root of 3828438 is about 156.4373820199.

The spelling of 3828438 in words is "three million, eight hundred twenty-eight thousand, four hundred thirty-eight".