384882478 has 4 divisors (see below), whose sum is σ = 577323720. Its totient is φ = 192441238.

The previous prime is 384882467. The next prime is 384882479. The reversal of 384882478 is 874288483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 874288483 = 7349 ⋅118967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384882479) 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, 96220618 + ... + 96220621.

It is an arithmetic number, because the mean of its divisors is an integer number (144330930).

Almost surely, 2^384882478 is an apocalyptic number.

384882478 is a deficient number, since it is larger than the sum of its proper divisors (192441242).

384882478 is a wasteful number, since it uses less digits than its factorization.

384882478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192441241.

The product of its digits is 2752512, while the sum is 52.

The square root of 384882478 is about 19618.4219039147. The cubic root of 384882478 is about 727.4046059227.

The spelling of 384882478 in words is "three hundred eighty-four million, eight hundred eighty-two thousand, four hundred seventy-eight".