504643 has 8 divisors (see below), whose sum is σ = 541728. Its totient is φ = 468864.

The previous prime is 504631. The next prime is 504661. The reversal of 504643 is 346405.

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

It is a de Polignac number, because none of the positive numbers 2^k-504643 is a prime.

It is a Duffinian number.

504643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (504683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555 + ... + 1147.

It is an arithmetic number, because the mean of its divisors is an integer number (67716).

2⁵⁰⁴⁶⁴³ is an apocalyptic number.

504643 is a deficient number, since it is larger than the sum of its proper divisors (37085).

504643 is a wasteful number, since it uses less digits than its factorization.

504643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 504643 is about 710.3822914460. The cubic root of 504643 is about 79.6149728154.

The spelling of 504643 in words is "five hundred four thousand, six hundred forty-three".