384623648 has 24 divisors (see below), whose sum is σ = 774840528. Its totient is φ = 187838784.

The previous prime is 384623647. The next prime is 384623653. The reversal of 384623648 is 846326483.

It is a junction number, because it is equal to n+sod(n) for n = 384623599 and 384623608.

It is not an unprimeable number, because it can be changed into a prime (384623647) 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 in 3 ways as a sum of consecutive naturals, for example, 138386 + ... + 141137.

It is an arithmetic number, because the mean of its divisors is an integer number (32285022).

Almost surely, 2^384623648 is an apocalyptic number.

It is an amenable number.

384623648 is an abundant number, since it is smaller than the sum of its proper divisors (390216880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384623648 is a wasteful number, since it uses less digits than its factorization.

384623648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279576 (or 279568 counting only the distinct ones).

The product of its digits is 663552, while the sum is 44.

The square root of 384623648 is about 19611.8241884838. The cubic root of 384623648 is about 727.2415116754.

The spelling of 384623648 in words is "three hundred eighty-four million, six hundred twenty-three thousand, six hundred forty-eight".