381008834 has 8 divisors (see below), whose sum is σ = 572097600. Its totient is φ = 190309636.

The previous prime is 381008813. The next prime is 381008861. The reversal of 381008834 is 438800183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 381008794 and 381008803.

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 3 ways as a sum of consecutive naturals, for example, 94934 + ... + 98865.

It is an arithmetic number, because the mean of its divisors is an integer number (71512200).

Almost surely, 2^381008834 is an apocalyptic number.

381008834 is a deficient number, since it is larger than the sum of its proper divisors (191088766).

381008834 is a wasteful number, since it uses less digits than its factorization.

381008834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194784.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 381008834 is about 19519.4475843964. The cubic root of 381008834 is about 724.9560553626.

The spelling of 381008834 in words is "three hundred eighty-one million, eight thousand, eight hundred thirty-four".