384859828 has 12 divisors (see below), whose sum is σ = 702787680. Its totient is φ = 184063352.

The previous prime is 384859817. The next prime is 384859861. The reversal of 384859828 is 828958483.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2091538 + ... + 2091721.

It is an arithmetic number, because the mean of its divisors is an integer number (58565640).

Almost surely, 2^384859828 is an apocalyptic number.

It is an amenable number.

384859828 is a deficient number, since it is larger than the sum of its proper divisors (317927852).

384859828 is a wasteful number, since it uses less digits than its factorization.

384859828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183286 (or 4183284 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 55.

The square root of 384859828 is about 19617.8446318651. The cubic root of 384859828 is about 727.3903365994.

The spelling of 384859828 in words is "three hundred eighty-four million, eight hundred fifty-nine thousand, eight hundred twenty-eight".