384075839 has 4 divisors (see below), whose sum is σ = 438943824. Its totient is φ = 329207856.

The previous prime is 384075803. The next prime is 384075863. The reversal of 384075839 is 938570483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938570483 = 41 ⋅22891963.

It is a cyclic number.

It is not a de Polignac number, because 384075839 - 2¹⁶ = 384010303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 384075793 and 384075802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384075889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27433982 + ... + 27433995.

It is an arithmetic number, because the mean of its divisors is an integer number (109735956).

Almost surely, 2^384075839 is an apocalyptic number.

384075839 is a deficient number, since it is larger than the sum of its proper divisors (54867985).

384075839 is an equidigital number, since it uses as much as digits as its factorization.

384075839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54867984.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 384075839 is about 19597.8529181132. The cubic root of 384075839 is about 726.8960841944.

The spelling of 384075839 in words is "three hundred eighty-four million, seventy-five thousand, eight hundred thirty-nine".