384140330 has 32 divisors (see below), whose sum is σ = 836718336. Its totient is φ = 123957504.

The previous prime is 384140321. The next prime is 384140333. The reversal of 384140330 is 33041483.

It is a self number, because there is not a number n which added to its sum of digits gives 384140330.

It is not an unprimeable number, because it can be changed into a prime (384140333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160214 + ... + 162593.

It is an arithmetic number, because the mean of its divisors is an integer number (26147448).

Almost surely, 2^384140330 is an apocalyptic number.

384140330 is an abundant number, since it is smaller than the sum of its proper divisors (452578006).

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

384140330 is a wasteful number, since it uses less digits than its factorization.

384140330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322838.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 384140330 is about 19599.4982078624. The cubic root of 384140330 is about 726.9367668123.

The spelling of 384140330 in words is "three hundred eighty-four million, one hundred forty thousand, three hundred thirty".