382448279 has 4 divisors (see below), whose sum is σ = 382638984. Its totient is φ = 382257576.

The previous prime is 382448273. The next prime is 382448291. The reversal of 382448279 is 972844283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 972844283 = 11173 ⋅87071.

It is a cyclic number.

It is not a de Polignac number, because 382448279 - 2⁴ = 382448263 is a prime.

It is a super-2 number, since 2×382448279² = 292533372220123682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382448273) 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, 92312 + ... + 96365.

It is an arithmetic number, because the mean of its divisors is an integer number (95659746).

Almost surely, 2^382448279 is an apocalyptic number.

382448279 is a deficient number, since it is larger than the sum of its proper divisors (190705).

382448279 is a wasteful number, since it uses less digits than its factorization.

382448279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190704.

The product of its digits is 774144, while the sum is 47.

The square root of 382448279 is about 19556.2848976998. The cubic root of 382448279 is about 725.8678653397.

The spelling of 382448279 in words is "three hundred eighty-two million, four hundred forty-eight thousand, two hundred seventy-nine".