500043381 has 8 divisors (see below), whose sum is σ = 669715200. Its totient is φ = 331866912.

The previous prime is 500043373. The next prime is 500043407. The reversal of 500043381 is 183340005.

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

It is not a de Polignac number, because 500043381 - 2³ = 500043373 is a prime.

It is a super-2 number, since 2×500043381² = 500086765763822322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500043301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 373056 + ... + 374393.

It is an arithmetic number, because the mean of its divisors is an integer number (83714400).

Almost surely, 2^500043381 is an apocalyptic number.

It is an amenable number.

500043381 is a deficient number, since it is larger than the sum of its proper divisors (169671819).

500043381 is a wasteful number, since it uses less digits than its factorization.

500043381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747675.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 500043381 is about 22361.6497826077. The cubic root of 500043381 is about 793.7234796686.

Adding to 500043381 its reverse (183340005), we get a palindrome (683383386).

The spelling of 500043381 in words is "five hundred million, forty-three thousand, three hundred eighty-one".