381722846 has 8 divisors (see below), whose sum is σ = 575748264. Its totient is φ = 189806760.

The previous prime is 381722837. The next prime is 381722849. The reversal of 381722846 is 648227183.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381722849) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 526880 + ... + 527603.

It is an arithmetic number, because the mean of its divisors is an integer number (71968533).

Almost surely, 2^381722846 is an apocalyptic number.

381722846 is a deficient number, since it is larger than the sum of its proper divisors (194025418).

381722846 is a wasteful number, since it uses less digits than its factorization.

381722846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054666.

The product of its digits is 129024, while the sum is 41.

The square root of 381722846 is about 19537.7287830495. The cubic root of 381722846 is about 725.4086295707.

The spelling of 381722846 in words is "three hundred eighty-one million, seven hundred twenty-two thousand, eight hundred forty-six".