3323944728 has 384 divisors, whose sum is σ = 10814860800. Its totient is φ = 942948864.

The previous prime is 3323944693. The next prime is 3323944777. The reversal of 3323944728 is 8274493233.

It is a super-2 number, since 2×3323944728² = 22097217109597987968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31064851 + ... + 31064957.

It is an arithmetic number, because the mean of its divisors is an integer number (28163700).

Almost surely, 2^3323944728 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 3323944728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5407430400).

3323944728 is an abundant number, since it is smaller than the sum of its proper divisors (7490916072).

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

3323944728 is a wasteful number, since it uses less digits than its factorization.

3323944728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 185 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 3323944728 is about 57653.6618784965. The cubic root of 3323944728 is about 1492.3977920463.

The spelling of 3323944728 in words is "three billion, three hundred twenty-three million, nine hundred forty-four thousand, seven hundred twenty-eight".