384126943 has 4 divisors (see below), whose sum is σ = 390424168. Its totient is φ = 377829720.

The previous prime is 384126923. The next prime is 384126973. The reversal of 384126943 is 349621483.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349621483 = 449 ⋅778667.

It is a cyclic number.

It is not a de Polignac number, because 384126943 - 2¹³ = 384118751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 384126896 and 384126905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384126923) 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, 3148521 + ... + 3148642.

It is an arithmetic number, because the mean of its divisors is an integer number (97606042).

Almost surely, 2^384126943 is an apocalyptic number.

384126943 is a deficient number, since it is larger than the sum of its proper divisors (6297225).

384126943 is an equidigital number, since it uses as much as digits as its factorization.

384126943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6297224.

The product of its digits is 124416, while the sum is 40.

The square root of 384126943 is about 19599.1566910416. The cubic root of 384126943 is about 726.9283223154.

The spelling of 384126943 in words is "three hundred eighty-four million, one hundred twenty-six thousand, nine hundred forty-three".