381678882 has 64 divisors (see below), whose sum is σ = 885620736. Its totient is φ = 108694080.

The previous prime is 381678853. The next prime is 381678901. The reversal of 381678882 is 288876183.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52183 + ... + 59045.

It is an arithmetic number, because the mean of its divisors is an integer number (13837824).

Almost surely, 2^381678882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381678882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442810368).

381678882 is an abundant number, since it is smaller than the sum of its proper divisors (503941854).

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

381678882 is a wasteful number, since it uses less digits than its factorization.

381678882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935.

The product of its digits is 1032192, while the sum is 51.

The square root of 381678882 is about 19536.6036454651. The cubic root of 381678882 is about 725.3807794436.

The spelling of 381678882 in words is "three hundred eighty-one million, six hundred seventy-eight thousand, eight hundred eighty-two".