381882 has 8 divisors (see below), whose sum is σ = 763776. Its totient is φ = 127292.

The previous prime is 381859. The next prime is 381911. The reversal of 381882 is 288183.

It is a sphenic number, since it is the product of 3 distinct primes.

381882 is an admirable number.

It is an unprimeable number.

381882 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31818 + ... + 31829.

It is an arithmetic number, because the mean of its divisors is an integer number (95472).

2³⁸¹⁸⁸² is an apocalyptic number.

381882 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.

381882 is a wasteful number, since it uses less digits than its factorization.

381882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63652.

The product of its digits is 3072, while the sum is 30.

The square root of 381882 is about 617.9660184832. The cubic root of 381882 is about 72.5509431889.

The spelling of 381882 in words is "three hundred eighty-one thousand, eight hundred eighty-two".