384109388 has 12 divisors (see below), whose sum is σ = 723898560. Its totient is φ = 177281232.

The previous prime is 384109387. The next prime is 384109393. The reversal of 384109388 is 883901483.

It is not an unprimeable number, because it can be changed into a prime (384109381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3693308 + ... + 3693411.

It is an arithmetic number, because the mean of its divisors is an integer number (60324880).

Almost surely, 2^384109388 is an apocalyptic number.

It is an amenable number.

384109388 is a deficient number, since it is larger than the sum of its proper divisors (339789172).

384109388 is a wasteful number, since it uses less digits than its factorization.

384109388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7386736 (or 7386734 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 384109388 is about 19598.7088350228. The cubic root of 384109388 is about 726.9172483537.

The spelling of 384109388 in words is "three hundred eighty-four million, one hundred nine thousand, three hundred eighty-eight".