384861664 has 24 divisors (see below), whose sum is σ = 826578648. Its totient is φ = 174936960.

The previous prime is 384861643. The next prime is 384861667. The reversal of 384861664 is 466168483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384861667) 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, 546327 + ... + 547030.

It is an arithmetic number, because the mean of its divisors is an integer number (34440777).

Almost surely, 2^384861664 is an apocalyptic number.

It is an amenable number.

384861664 is an abundant number, since it is smaller than the sum of its proper divisors (441716984).

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

384861664 is a wasteful number, since it uses less digits than its factorization.

384861664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093378 (or 1093370 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 384861664 is about 19617.8914259408. The cubic root of 384861664 is about 727.3914932859.

The spelling of 384861664 in words is "three hundred eighty-four million, eight hundred sixty-one thousand, six hundred sixty-four".