382439923 has 8 divisors (see below), whose sum is σ = 412387920. Its totient is φ = 353473920.

The previous prime is 382439917. The next prime is 382439951. The reversal of 382439923 is 329934283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 382439923 - 2⁹ = 382439411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 382439923.

It is not an unprimeable number, because it can be changed into a prime (382439903) 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 7 ways as a sum of consecutive naturals, for example, 244690 + ... + 246247.

It is an arithmetic number, because the mean of its divisors is an integer number (51548490).

Almost surely, 2^382439923 is an apocalyptic number.

382439923 is a deficient number, since it is larger than the sum of its proper divisors (29947997).

382439923 is a wasteful number, since it uses less digits than its factorization.

382439923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490997.

The product of its digits is 279936, while the sum is 43.

The square root of 382439923 is about 19556.0712567734. The cubic root of 382439923 is about 725.8625788767.

The spelling of 382439923 in words is "three hundred eighty-two million, four hundred thirty-nine thousand, nine hundred twenty-three".