381828472 has 16 divisors (see below), whose sum is σ = 723310560. Its totient is φ = 188945664.

The previous prime is 381828467. The next prime is 381828509. The reversal of 381828472 is 274828183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245248 + ... + 246799.

It is an arithmetic number, because the mean of its divisors is an integer number (45206910).

Almost surely, 2^381828472 is an apocalyptic number.

It is an amenable number.

381828472 is a deficient number, since it is larger than the sum of its proper divisors (341482088).

381828472 is a wasteful number, since it uses less digits than its factorization.

381828472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492150 (or 492146 counting only the distinct ones).

The product of its digits is 172032, while the sum is 43.

The square root of 381828472 is about 19540.4317250157. The cubic root of 381828472 is about 725.4755323393.

The spelling of 381828472 in words is "three hundred eighty-one million, eight hundred twenty-eight thousand, four hundred seventy-two".