384019009 has 16 divisors (see below), whose sum is σ = 426686400. Its totient is φ = 342682560.

The previous prime is 384019003. The next prime is 384019019. The reversal of 384019009 is 900910483.

It is not a de Polignac number, because 384019009 - 2⁵ = 384018977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384019003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256467 + ... + 257959.

It is an arithmetic number, because the mean of its divisors is an integer number (26667900).

Almost surely, 2^384019009 is an apocalyptic number.

It is an amenable number.

384019009 is a deficient number, since it is larger than the sum of its proper divisors (42667391).

384019009 is a wasteful number, since it uses less digits than its factorization.

384019009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 384019009 is about 19596.4029607477. The cubic root of 384019009 is about 726.8602305618.

The spelling of 384019009 in words is "three hundred eighty-four million, nineteen thousand, nine".