384402380 has 24 divisors (see below), whose sum is σ = 810129600. Its totient is φ = 153211520.

The previous prime is 384402341. The next prime is 384402391. The reversal of 384402380 is 83204483.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28580 + ... + 39819.

It is an arithmetic number, because the mean of its divisors is an integer number (33755400).

Almost surely, 2^384402380 is an apocalyptic number.

It is an amenable number.

384402380 is an abundant number, since it is smaller than the sum of its proper divisors (425727220).

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

384402380 is a wasteful number, since it uses less digits than its factorization.

384402380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68689 (or 68687 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 384402380 is about 19606.1821882793. The cubic root of 384402380 is about 727.1020280157.

The spelling of 384402380 in words is "three hundred eighty-four million, four hundred two thousand, three hundred eighty".