382443139 has 4 divisors (see below), whose sum is σ = 411861856. Its totient is φ = 353024424.

The previous prime is 382443079. The next prime is 382443143. The reversal of 382443139 is 931344283.

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 382443139 - 2¹¹ = 382441091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 382443098 and 382443107.

It is not an unprimeable number, because it can be changed into a prime (382443199) 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, 14709339 + ... + 14709364.

It is an arithmetic number, because the mean of its divisors is an integer number (102965464).

Almost surely, 2^382443139 is an apocalyptic number.

382443139 is a deficient number, since it is larger than the sum of its proper divisors (29418717).

382443139 is a wasteful number, since it uses less digits than its factorization.

382443139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29418716.

The product of its digits is 62208, while the sum is 37.

The square root of 382443139 is about 19556.1534817049. The cubic root of 382443139 is about 725.8646135034.

The spelling of 382443139 in words is "three hundred eighty-two million, four hundred forty-three thousand, one hundred thirty-nine".