500405385 has 8 divisors (see below), whose sum is σ = 800648640. Its totient is φ = 266882864.

The previous prime is 500405371. The next prime is 500405401. The reversal of 500405385 is 583504005.

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 500405385 - 2⁹ = 500404873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16680165 + ... + 16680194.

It is an arithmetic number, because the mean of its divisors is an integer number (100081080).

Almost surely, 2^500405385 is an apocalyptic number.

It is an amenable number.

500405385 is a deficient number, since it is larger than the sum of its proper divisors (300243255).

500405385 is a wasteful number, since it uses less digits than its factorization.

500405385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33360367.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 500405385 is about 22369.7426225694. The cubic root of 500405385 is about 793.9149708979.

The spelling of 500405385 in words is "five hundred million, four hundred five thousand, three hundred eighty-five".