384861448 has 16 divisors (see below), whose sum is σ = 722075580. Its totient is φ = 192307968.

The previous prime is 384861443. The next prime is 384861469. The reversal of 384861448 is 844168483.

It can be written as a sum of positive squares in 2 ways, for example, as 373958244 + 10903204 = 19338^2 + 3302^2 .

It is a junction number, because it is equal to n+sod(n) for n = 384861398 and 384861407.

It is not an unprimeable number, because it can be changed into a prime (384861443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261 + ... + 27772.

Almost surely, 2^384861448 is an apocalyptic number.

It is an amenable number.

384861448 is a deficient number, since it is larger than the sum of its proper divisors (337214132).

384861448 is a wasteful number, since it uses less digits than its factorization.

384861448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30696 (or 30692 counting only the distinct ones).

The product of its digits is 589824, while the sum is 46.

The square root of 384861448 is about 19617.8859207612. The cubic root of 384861448 is about 727.3913572053.

The spelling of 384861448 in words is "three hundred eighty-four million, eight hundred sixty-one thousand, four hundred forty-eight".