381358718 has 16 divisors (see below), whose sum is σ = 617316336. Its totient is φ = 175647360.

The previous prime is 381358717. The next prime is 381358723. The reversal of 381358718 is 817853183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381358717) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2171 + ... + 27702.

It is an arithmetic number, because the mean of its divisors is an integer number (38582271).

Almost surely, 2^381358718 is an apocalyptic number.

381358718 is a deficient number, since it is larger than the sum of its proper divisors (235957618).

381358718 is a wasteful number, since it uses less digits than its factorization.

381358718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30379.

The product of its digits is 161280, while the sum is 44.

The square root of 381358718 is about 19528.4079740259. The cubic root of 381358718 is about 725.1778987935.

The spelling of 381358718 in words is "three hundred eighty-one million, three hundred fifty-eight thousand, seven hundred eighteen".