381800468 has 12 divisors (see below), whose sum is σ = 763600992. Its totient is φ = 163628760.

The previous prime is 381800429. The next prime is 381800473. The reversal of 381800468 is 864008183.

381800468 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6817838 + ... + 6817893.

It is an arithmetic number, because the mean of its divisors is an integer number (63633416).

Almost surely, 2^381800468 is an apocalyptic number.

It is an amenable number.

381800468 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

381800468 is a wasteful number, since it uses less digits than its factorization.

381800468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13635742 (or 13635740 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 381800468 is about 19539.7151463372. The cubic root of 381800468 is about 725.4577960039.

The spelling of 381800468 in words is "three hundred eighty-one million, eight hundred thousand, four hundred sixty-eight".