381755358 has 24 divisors (see below), whose sum is σ = 834460848. Its totient is φ = 126124992.

The previous prime is 381755323. The next prime is 381755369. The reversal of 381755358 is 853557183.

381755358 is a `hidden beast` number, since 38 + 17 + 553 + 58 = 666.

381755358 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91810 + ... + 95877.

It is an arithmetic number, because the mean of its divisors is an integer number (34769202).

Almost surely, 2^381755358 is an apocalyptic number.

381755358 is an abundant number, since it is smaller than the sum of its proper divisors (452705490).

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

381755358 is a wasteful number, since it uses less digits than its factorization.

381755358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187808 (or 187805 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 381755358 is about 19538.5607965377. The cubic root of 381755358 is about 725.4292237584.

The spelling of 381755358 in words is "three hundred eighty-one million, seven hundred fifty-five thousand, three hundred fifty-eight".