381789334 has 4 divisors (see below), whose sum is σ = 572684004. Its totient is φ = 190894666.

The previous prime is 381789329. The next prime is 381789341. The reversal of 381789334 is 433987183.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95447332 + ... + 95447335.

It is an arithmetic number, because the mean of its divisors is an integer number (143171001).

Almost surely, 2^381789334 is an apocalyptic number.

381789334 is a deficient number, since it is larger than the sum of its proper divisors (190894670).

381789334 is a wasteful number, since it uses less digits than its factorization.

381789334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190894669.

The product of its digits is 435456, while the sum is 46.

The square root of 381789334 is about 19539.4302373432. The cubic root of 381789334 is about 725.4507440433.

The spelling of 381789334 in words is "three hundred eighty-one million, seven hundred eighty-nine thousand, three hundred thirty-four".