384589609 has 4 divisors (see below), whose sum is σ = 384784000. Its totient is φ = 384395220.

The previous prime is 384589573. The next prime is 384589633. The reversal of 384589609 is 906985483.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 384589609 - 2¹⁹ = 384065321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384589649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 94197 + ... + 98194.

It is an arithmetic number, because the mean of its divisors is an integer number (96196000).

Almost surely, 2^384589609 is an apocalyptic number.

It is an amenable number.

384589609 is a deficient number, since it is larger than the sum of its proper divisors (194391).

384589609 is a wasteful number, since it uses less digits than its factorization.

384589609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194390.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 384589609 is about 19610.9563509789. The cubic root of 384589609 is about 727.2200575394.

The spelling of 384589609 in words is "three hundred eighty-four million, five hundred eighty-nine thousand, six hundred nine".