3843428 has 24 divisors (see below), whose sum is σ = 7371000. Its totient is φ = 1745408.

The previous prime is 3843419. The next prime is 3843451. The reversal of 3843428 is 8243483.

3843428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1658944 + 2184484 = 1288^2 + 1478^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3843394 and 3843403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998 + ... + 2946.

It is an arithmetic number, because the mean of its divisors is an integer number (307125).

Almost surely, 2^3843428 is an apocalyptic number.

It is an amenable number.

3843428 is a deficient number, since it is larger than the sum of its proper divisors (3527572).

3843428 is a wasteful number, since it uses less digits than its factorization.

3843428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999 (or 1997 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 3843428 is about 1960.4662710692. The cubic root of 3843428 is about 156.6412895871.

The spelling of 3843428 in words is "three million, eight hundred forty-three thousand, four hundred twenty-eight".