380431338 has 128 divisors (see below), whose sum is σ = 1003622400. Its totient is φ = 93477888.

The previous prime is 380431313. The next prime is 380431369. The reversal of 380431338 is 833134083.

It is a junction number, because it is equal to n+sod(n) for n = 380431299 and 380431308.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 392931 + ... + 393897.

It is an arithmetic number, because the mean of its divisors is an integer number (7840800).

Almost surely, 2^380431338 is an apocalyptic number.

380431338 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 380431338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501811200).

380431338 is an abundant number, since it is smaller than the sum of its proper divisors (623191062).

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

380431338 is a wasteful number, since it uses less digits than its factorization.

380431338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 380431338 is about 19504.6491380901. The cubic root of 380431338 is about 724.5895976115.

The spelling of 380431338 in words is "three hundred eighty million, four hundred thirty-one thousand, three hundred thirty-eight".