380663888 has 40 divisors (see below), whose sum is σ = 808742880. Its totient is φ = 172135040.

The previous prime is 380663867. The next prime is 380663893. The reversal of 380663888 is 888366083.

It is a congruent number.

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, 29183 + ... + 40161.

It is an arithmetic number, because the mean of its divisors is an integer number (20218572).

Almost surely, 2^380663888 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 380663888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404371440).

380663888 is an abundant number, since it is smaller than the sum of its proper divisors (428078992).

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

380663888 is a wasteful number, since it uses less digits than its factorization.

380663888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11195 (or 11189 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 380663888 is about 19510.6096265596. The cubic root of 380663888 is about 724.7372098712.

The spelling of 380663888 in words is "three hundred eighty million, six hundred sixty-three thousand, eight hundred eighty-eight".