9430385728 has 56 divisors (see below), whose sum is σ = 19615891680. Its totient is φ = 4493153280.

The previous prime is 9430385719. The next prime is 9430385737. The reversal of 9430385728 is 8275830349.

It is an interprime number because it is at equal distance from previous prime (9430385719) and next prime (9430385737).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71043 + ... + 154621.

It is an arithmetic number, because the mean of its divisors is an integer number (350283780).

Almost surely, 2^9430385728 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 9430385728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9807945840).

9430385728 is an abundant number, since it is smaller than the sum of its proper divisors (10185505952).

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

9430385728 is a wasteful number, since it uses less digits than its factorization.

9430385728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83675 (or 83665 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 9430385728 is about 97110.1731437031. The cubic root of 9430385728 is about 2112.7258801592.

The spelling of 9430385728 in words is "nine billion, four hundred thirty million, three hundred eighty-five thousand, seven hundred twenty-eight".