381419528 has 96 divisors (see below), whose sum is σ = 887695200. Its totient is φ = 152748288.

The previous prime is 381419527. The next prime is 381419579. The reversal of 381419528 is 825914183.

It is not an unprimeable number, because it can be changed into a prime (381419527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 617876 + ... + 618492.

It is an arithmetic number, because the mean of its divisors is an integer number (9246825).

Almost surely, 2^381419528 is an apocalyptic number.

381419528 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381419528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443847600).

381419528 is an abundant number, since it is smaller than the sum of its proper divisors (506275672).

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

381419528 is a wasteful number, since it uses less digits than its factorization.

381419528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 728 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 381419528 is about 19529.9648745204. The cubic root of 381419528 is about 725.2164414414.

The spelling of 381419528 in words is "three hundred eighty-one million, four hundred nineteen thousand, five hundred twenty-eight".