381840182 has 8 divisors (see below), whose sum is σ = 572850552. Its totient is φ = 190890000.

The previous prime is 381840149. The next prime is 381840191. The reversal of 381840182 is 281048183.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7682 + ... + 28682.

It is an arithmetic number, because the mean of its divisors is an integer number (71606319).

Almost surely, 2^381840182 is an apocalyptic number.

381840182 is a deficient number, since it is larger than the sum of its proper divisors (191010370).

381840182 is a wasteful number, since it uses less digits than its factorization.

381840182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30094.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 381840182 is about 19540.7313578586. The cubic root of 381840182 is about 725.4829486115.

The spelling of 381840182 in words is "three hundred eighty-one million, eight hundred forty thousand, one hundred eighty-two".