384231982 has 4 divisors (see below), whose sum is σ = 576347976. Its totient is φ = 192115990.

The previous prime is 384231959. The next prime is 384231989. The reversal of 384231982 is 289132483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 289132483 = 677 ⋅427079.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384231989) 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 as a sum of consecutive naturals, namely, 96057994 + ... + 96057997.

It is an arithmetic number, because the mean of its divisors is an integer number (144086994).

Almost surely, 2^384231982 is an apocalyptic number.

384231982 is a deficient number, since it is larger than the sum of its proper divisors (192115994).

384231982 is a wasteful number, since it uses less digits than its factorization.

384231982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192115993.

The product of its digits is 82944, while the sum is 40.

The square root of 384231982 is about 19601.8361895002. The cubic root of 384231982 is about 726.9945754700.

The spelling of 384231982 in words is "three hundred eighty-four million, two hundred thirty-one thousand, nine hundred eighty-two".