384341281 has 4 divisors (see below), whose sum is σ = 390855600. Its totient is φ = 377826964.

The previous prime is 384341239. The next prime is 384341299. The reversal of 384341281 is 182143483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 182143483 = 499 ⋅365017.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-384341281 is a prime.

It is a super-2 number, since 2×384341281² = 295436440561441922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384341081) 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, 3257071 + ... + 3257188.

It is an arithmetic number, because the mean of its divisors is an integer number (97713900).

Almost surely, 2^384341281 is an apocalyptic number.

It is an amenable number.

384341281 is a deficient number, since it is larger than the sum of its proper divisors (6514319).

384341281 is an equidigital number, since it uses as much as digits as its factorization.

384341281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6514318.

The product of its digits is 18432, while the sum is 34.

The square root of 384341281 is about 19604.6239698700. The cubic root of 384341281 is about 727.0635027940.

The spelling of 384341281 in words is "three hundred eighty-four million, three hundred forty-one thousand, two hundred eighty-one".