384739912 has 32 divisors (see below), whose sum is σ = 751360320. Its totient is φ = 184524480.

The previous prime is 384739891. The next prime is 384739919. The reversal of 384739912 is 219937483.

It is not an unprimeable number, because it can be changed into a prime (384739919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11863 + ... + 30169.

It is an arithmetic number, because the mean of its divisors is an integer number (23480010).

Almost surely, 2^384739912 is an apocalyptic number.

It is an amenable number.

384739912 is a deficient number, since it is larger than the sum of its proper divisors (366620408).

384739912 is a wasteful number, since it uses less digits than its factorization.

384739912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18421 (or 18417 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 384739912 is about 19614.7880947004. The cubic root of 384739912 is about 727.3147811250.

The spelling of 384739912 in words is "three hundred eighty-four million, seven hundred thirty-nine thousand, nine hundred twelve".