381928200 has 48 divisors (see below), whose sum is σ = 1183979280. Its totient is φ = 101847360.

The previous prime is 381928111. The next prime is 381928219. The reversal of 381928200 is 2829183.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317674 + ... + 318873.

It is an arithmetic number, because the mean of its divisors is an integer number (24666235).

Almost surely, 2^381928200 is an apocalyptic number.

381928200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

381928200 is an abundant number, since it is smaller than the sum of its proper divisors (802051080).

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

381928200 is a wasteful number, since it uses less digits than its factorization.

381928200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636566 (or 636557 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 381928200 is about 19542.9833955822. The cubic root of 381928200 is about 725.5386880328.

The spelling of 381928200 in words is "three hundred eighty-one million, nine hundred twenty-eight thousand, two hundred".