381789343 has 8 divisors (see below), whose sum is σ = 416791088. Its totient is φ = 347592384.

The previous prime is 381789341. The next prime is 381789403. The reversal of 381789343 is 343987183.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 381789343 - 2¹ = 381789341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381789293 and 381789302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381789341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200205 + ... + 202102.

It is an arithmetic number, because the mean of its divisors is an integer number (52098886).

Almost surely, 2^381789343 is an apocalyptic number.

381789343 is a deficient number, since it is larger than the sum of its proper divisors (35001745).

381789343 is a wasteful number, since it uses less digits than its factorization.

381789343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402393.

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

The square root of 381789343 is about 19539.4304676467. The cubic root of 381789343 is about 725.4507497437.

The spelling of 381789343 in words is "three hundred eighty-one million, seven hundred eighty-nine thousand, three hundred forty-three".