3843438 has 16 divisors (see below), whose sum is σ = 8021376. Its totient is φ = 1225400.

The previous prime is 3843419. The next prime is 3843451. The reversal of 3843438 is 8343483.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3843399 and 3843408.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13788 + ... + 14063.

It is an arithmetic number, because the mean of its divisors is an integer number (501336).

Almost surely, 2^3843438 is an apocalyptic number.

3843438 is an abundant number, since it is smaller than the sum of its proper divisors (4177938).

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

3843438 is a wasteful number, since it uses less digits than its factorization.

3843438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27879.

The product of its digits is 27648, while the sum is 33.

The square root of 3843438 is about 1960.4688214812. The cubic root of 3843438 is about 156.6414254391.

The spelling of 3843438 in words is "three million, eight hundred forty-three thousand, four hundred thirty-eight".