381341658 has 16 divisors (see below), whose sum is σ = 763613280. Its totient is φ = 126958896.

The previous prime is 381341641. The next prime is 381341659. The reversal of 381341658 is 856143183.

381341658 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (381341659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33360 + ... + 43307.

It is an arithmetic number, because the mean of its divisors is an integer number (47725830).

Almost surely, 2^381341658 is an apocalyptic number.

381341658 is an abundant number, since it is smaller than the sum of its proper divisors (382271622).

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

381341658 is a wasteful number, since it uses less digits than its factorization.

381341658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77501.

The product of its digits is 69120, while the sum is 39.

The square root of 381341658 is about 19527.9711695813. The cubic root of 381341658 is about 725.1670850733.

The spelling of 381341658 in words is "three hundred eighty-one million, three hundred forty-one thousand, six hundred fifty-eight".