504986 has 8 divisors (see below), whose sum is σ = 766260. Its totient is φ = 249568.

The previous prime is 504983. The next prime is 504989. The reversal of 504986 is 689405.

It is an interprime number because it is at equal distance from previous prime (504983) and next prime (504989).

It can be written as a sum of positive squares in 2 ways, for example, as 403225 + 101761 = 635^2 + 319^2 .

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

It is not an unprimeable number, because it can be changed into a prime (504983) 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 3 ways as a sum of consecutive naturals, for example, 1241 + ... + 1596.

2⁵⁰⁴⁹⁸⁶ is an apocalyptic number.

504986 is a deficient number, since it is larger than the sum of its proper divisors (261274).

504986 is a wasteful number, since it uses less digits than its factorization.

504986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 504986 is about 710.6236697437. The cubic root of 504986 is about 79.6330065217.

The spelling of 504986 in words is "five hundred four thousand, nine hundred eighty-six".