3443328 has 144 divisors (see below), whose sum is σ = 11715210. Its totient is φ = 967680.

The previous prime is 3443327. The next prime is 3443329. The reversal of 3443328 is 8233443.

It is an interprime number because it is at equal distance from previous prime (3443327) and next prime (3443329).

It can be written as a sum of positive squares in only one way, i.e., 3415104 + 28224 = 1848^2 + 168^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3443327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56418 + ... + 56478.

Almost surely, 2^3443328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3443328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5857605).

3443328 is an abundant number, since it is smaller than the sum of its proper divisors (8271882).

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

3443328 is a wasteful number, since it uses less digits than its factorization.

3443328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 73 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 3443328 is about 1855.6206508875. The cubic root of 3443328 is about 151.0055112530.

The spelling of 3443328 in words is "three million, four hundred forty-three thousand, three hundred twenty-eight".