384124042 has 4 divisors (see below), whose sum is σ = 576186066. Its totient is φ = 192062020.

The previous prime is 384124021. The next prime is 384124049. The reversal of 384124042 is 240421483.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 275526801 + 108597241 = 16599^2 + 10421^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 384124042.

It is not an unprimeable number, because it can be changed into a prime (384124049) 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 as a sum of consecutive naturals, namely, 96031009 + ... + 96031012.

Almost surely, 2^384124042 is an apocalyptic number.

384124042 is a deficient number, since it is larger than the sum of its proper divisors (192062024).

384124042 is a wasteful number, since it uses less digits than its factorization.

384124042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192062023.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 384124042 is about 19599.0826826155. The cubic root of 384124042 is about 726.9264923436.

The spelling of 384124042 in words is "three hundred eighty-four million, one hundred twenty-four thousand, forty-two".