384203930 has 32 divisors (see below), whose sum is σ = 774835200. Its totient is φ = 135933120.

The previous prime is 384203909. The next prime is 384203957. The reversal of 384203930 is 39302483.

It is a happy number.

It is a super-2 number, since 2×384203930² = 295225319654889800, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 43130 + ... + 51269.

It is an arithmetic number, because the mean of its divisors is an integer number (24213600).

Almost surely, 2^384203930 is an apocalyptic number.

384203930 is an abundant number, since it is smaller than the sum of its proper divisors (390631270).

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

384203930 is a wasteful number, since it uses less digits than its factorization.

384203930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94454.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 384203930 is about 19601.1206312292. The cubic root of 384203930 is about 726.9768829049.

The spelling of 384203930 in words is "three hundred eighty-four million, two hundred three thousand, nine hundred thirty".