380447328 has 48 divisors (see below), whose sum is σ = 1019934720. Its totient is φ = 124116096.

The previous prime is 380447297. The next prime is 380447329. The reversal of 380447328 is 823744083.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380447329) 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 7 ways as a sum of consecutive naturals, for example, 37648 + ... + 46671.

It is an arithmetic number, because the mean of its divisors is an integer number (21248640).

Almost surely, 2^380447328 is an apocalyptic number.

It is an amenable number.

380447328 is an abundant number, since it is smaller than the sum of its proper divisors (639487392).

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

380447328 is a wasteful number, since it uses less digits than its factorization.

380447328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84379 (or 84371 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 380447328 is about 19505.0590360552. The cubic root of 380447328 is about 724.5997492685.

The spelling of 380447328 in words is "three hundred eighty million, four hundred forty-seven thousand, three hundred twenty-eight".