384668380 has 24 divisors (see below), whose sum is σ = 818032320. Its totient is φ = 151919040.

The previous prime is 384668371. The next prime is 384668419. The reversal of 384668380 is 83866483.

It is a self number, because there is not a number n which added to its sum of digits gives 384668380.

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 7 ways as a sum of consecutive naturals, for example, 120151 + ... + 123310.

It is an arithmetic number, because the mean of its divisors is an integer number (34084680).

Almost surely, 2^384668380 is an apocalyptic number.

It is an amenable number.

384668380 is an abundant number, since it is smaller than the sum of its proper divisors (433363940).

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

384668380 is a wasteful number, since it uses less digits than its factorization.

384668380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243549 (or 243547 counting only the distinct ones).

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

The square root of 384668380 is about 19612.9645897809. The cubic root of 384668380 is about 727.2697034817.

The spelling of 384668380 in words is "three hundred eighty-four million, six hundred sixty-eight thousand, three hundred eighty".