381755682 has 96 divisors (see below), whose sum is σ = 1046882304. Its totient is φ = 97653600.

The previous prime is 381755663. The next prime is 381755683. The reversal of 381755682 is 286557183.

381755682 is a `hidden beast` number, since 3 + 8 + 17 + 556 + 82 = 666.

It is not an unprimeable number, because it can be changed into a prime (381755683) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90807 + ... + 94917.

It is an arithmetic number, because the mean of its divisors is an integer number (10905024).

Almost surely, 2^381755682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381755682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523441152).

381755682 is an abundant number, since it is smaller than the sum of its proper divisors (665126622).

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

381755682 is a wasteful number, since it uses less digits than its factorization.

381755682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204 (or 4201 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 381755682 is about 19538.5690878324. The cubic root of 381755682 is about 725.4294289850.

The spelling of 381755682 in words is "three hundred eighty-one million, seven hundred fifty-five thousand, six hundred eighty-two".