380478784 has 56 divisors (see below), whose sum is σ = 866209088. Its totient is φ = 162432000.

The previous prime is 380478737. The next prime is 380478823. The reversal of 380478784 is 487874083.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

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, 125284 + ... + 128284.

Almost surely, 2^380478784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380478784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433104544).

380478784 is an abundant number, since it is smaller than the sum of its proper divisors (485730304).

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

380478784 is a wasteful number, since it uses less digits than its factorization.

380478784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303 (or 3293 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The square root of 380478784 is about 19505.8653742919. The cubic root of 380478784 is about 724.6197190776.

The spelling of 380478784 in words is "three hundred eighty million, four hundred seventy-eight thousand, seven hundred eighty-four".