385730304 has 72 divisors (see below), whose sum is σ = 1029906192. Its totient is φ = 128163840.

The previous prime is 385730281. The next prime is 385730311. The reversal of 385730304 is 403037583.

It is a congruent number.

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, 322732 + ... + 323924.

Almost surely, 2^385730304 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 385730304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514953096).

385730304 is an abundant number, since it is smaller than the sum of its proper divisors (644175888).

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

385730304 is a wasteful number, since it uses less digits than its factorization.

385730304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 385730304 is about 19640.0179225987. The cubic root of 385730304 is about 727.9383275051.

Adding to 385730304 its reverse (403037583), we get a palindrome (788767887).

The spelling of 385730304 in words is "three hundred eighty-five million, seven hundred thirty thousand, three hundred four".