384325639 has 4 divisors (see below), whose sum is σ = 384389424. Its totient is φ = 384261856.

The previous prime is 384325633. The next prime is 384325657. The reversal of 384325639 is 936523483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 384325639 - 2⁹ = 384325127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 384325595 and 384325604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384325633) 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 3 ways as a sum of consecutive naturals, for example, 21787 + ... + 35260.

It is an arithmetic number, because the mean of its divisors is an integer number (96097356).

Almost surely, 2^384325639 is an apocalyptic number.

384325639 is a deficient number, since it is larger than the sum of its proper divisors (63785).

384325639 is an equidigital number, since it uses as much as digits as its factorization.

384325639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63784.

The product of its digits is 466560, while the sum is 43.

The square root of 384325639 is about 19604.2250293145. The cubic root of 384325639 is about 727.0536392672.

The spelling of 384325639 in words is "three hundred eighty-four million, three hundred twenty-five thousand, six hundred thirty-nine".