3728330424 has 384 divisors, whose sum is σ = 13176576000. Its totient is φ = 970849152.

The previous prime is 3728330407. The next prime is 3728330453. The reversal of 3728330424 is 4240338273.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47194017 + ... + 47194095.

It is an arithmetic number, because the mean of its divisors is an integer number (34314000).

Almost surely, 2^3728330424 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 3728330424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6588288000).

3728330424 is an abundant number, since it is smaller than the sum of its proper divisors (9448245576).

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

3728330424 is an equidigital number, since it uses as much as digits as its factorization.

3728330424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 3728330424 is about 61060.0558794373. The cubic root of 3728330424 is about 1550.6179185966.

Adding to 3728330424 its reverse (4240338273), we get a palindrome (7968668697).

The spelling of 3728330424 in words is "three billion, seven hundred twenty-eight million, three hundred thirty thousand, four hundred twenty-four".